Version 1.1.0

.gitignore

@@ -0,0 +1,4 @@
+de.jaseg.kimesh.footprints/footprints
+de.jaseg.kimesh.footprints/metadata.json
+de.jaseg.kimesh.plugin/metadata.json
+__pycache__

LICENSE

@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
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+PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
+IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
+ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
+
+  16. Limitation of Liability.
+
+  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
+WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
+THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
+GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
+USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
+DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<https://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<https://www.gnu.org/licenses/why-not-lgpl.html>.

README.rst

@@ -9,13 +9,56 @@ This repository contains KiMesh, a KiCAD pcbnew plugin that generates security m
 
 Installation
 ------------
-To install, copy the "kimesh" directory into your KiCAD installation's scripting plugin folder. Usually, this is
+
-`~/.config/kicad/scripting/plugins/` for KiCAD stable installations or `~/.config/kicad/5.99/scripting/plugins/` for
+KiMesh has two parts: The pcbnew plugin that generates the traces, and the magic footprints that you use to tell the
-nightly builds. On Windows, these paths can be found in your user account's `AppData/Roaming` directory.
+plugin how many traces of which dimensions to generate where.
+
+To install the plugin, copy the "kimesh" directory into your KiCAD installation's scripting plugin folder. Usually, this
+is `~/.config/kicad/scripting/plugins/` for KiCAD stable installations or
+`~/.config/kicad/[major version].99/scripting/plugins/` for nightly builds. On Windows, these paths can be found in your
+user account's `AppData/Roaming` directory.
+
+To install the footprint libraries, the easiest way is to download the library zip from the project's repo
+`[link] <https://git.jaseg.de/kimesh.git/plain/mesh_footprints.tar.xz?h=main>`__, unpack it to your project folder, and
+add the unpacked libraries as project-specific libraries through KiCad's library management thingy.
+
+Usage
+-----
+
+To work, KiMesh requires four things:
+
+1. An area free of other features such as footprints or traces where to generate the mesh.
+2. One or more "graphic polygons" on a drawing layer that specify the area of the mesh.
+3. A closed board outline on the `Edge.Cuts` layer.
+4. One of the magic footprints from the KiMesh anchor library that defines the mesh's number of wires and their
+   dimensions, and tells KiMesh where to start the mesh and in which direction to start it.
+
+You can choose any layer for the outline polygons, such as the pre-defined `User.Eco1` or `User.X` layers, or you can
+define your own. You just have to select that layer later in KiMesh's generator dialog. Note that KiMesh only processes
+graphic polygons on that layer, and ignores other shapes such as lines, rectangles or circles. You can still use other
+shapes, but you have to manually convert them to polygons before running KiMesh. To convert other shapes to
+a polygon, select them, open the context menu with a right click, then choose the "Create from Selection 🞂 Create
+Polygon from Selection" entry. For rectangles or circles, use the "Use Centerlines" option. For lines or arcs, use the
+"Create bounding hull" option.
+
+Place the magic anchor footprint on the outline of the mesh's shape polygons so that you have space to route out the
+traces. The anchor footprint has an arrow on the `F.Fab` layer that indicates in which direction the mesh will be
+generated.
+
+I recommend adding the mesh to the schematic with one of KiCad's built-in `Connector_02xN_Top_Bottom` footprints. For a
+mesh with k wires, choose a symbol with two rows of 2k pins each. For instance, for two mesh wires, choose
+`Connector_02x04_Top_bottom`. Then assign one of the magic footprints to that symbol. To avoid DRC warnings, join the
+two halves of the mesh on the output side of the footprint. That's the right side in default orientation, where the
+higher-numbered pins are.
+
+.. image:: screenshot-mesh-schematic.png
+   :width: 800
+   :alt: A screenshot of the connector footprint mentioned in the previous paragraph, shown conencted up as described in
+         KiCad's schematic editor.
 
 Theory of operation
 -------------------
 
 I have published a post_ on my blog on the theory of operation behind KiMesh.
 
-.. _post: https://blog.jaseg.de/posts/kicad-mesh-plugin/
+.. _post: https://jaseg.de/blog/kicad-mesh-plugin/

de.jaseg.kimesh.footprints-repo-metadata.json

@@ -0,0 +1,49 @@
+{
+    "$schema": "https://go.kicad.org/pcm/schemas/v1",
+    "name": "KiMesh",
+    "description": "A security mesh generator for KiCad",
+    "description_full": "This is the footprint package for the KiMesh security mesh generator.",
+    "identifier": "de.jaseg.kimesh.footprints",
+    "type": "library",
+    "author": {
+        "name": "jaseg",
+        "contact": {
+            "web": "https://jaseg.de/"
+        }
+    },
+    "license": "CERN-OHL",
+    "resources": {
+        "homepage": "https://jaseg.de/projects/kimesh",
+        "git": "https://git.jaseg.de/kimesh.git",
+        "issues": "https://github.com/jaseg/kimesh/issues"
+    },
+    "versions": [
+        {
+            "version": "1.0.0",
+            "status": "stable",
+            "kicad_version": "7.99",
+            "download_sha256": "e0c1a2752090def465afa6f6c38baeb74a6544e79e87de3019087c41a3f2790e",
+            "download_size": 822342,
+            "download_url": "https://git.jaseg.de/kimesh.git/plain/de.jaseg.kimesh.footprints-v1.0.0.zip?h=v1.0.0",
+            "install_size": 4803868
+        },
+        {
+            "version": "1.0.1",
+            "status": "stable",
+            "kicad_version": "7.99",
+            "download_sha256": "00bc9b6e264ee4f72324909e40dbc2d7d2ec6e91d150639d52492fe305c17620",
+            "download_size": 822997,
+            "download_url": "https://git.jaseg.de/kimesh.git/plain/de.jaseg.kimesh.footprints-v1.0.1.zip?h=v1.0.1",
+            "install_size": 4803868
+        },
+        {
+            "version": "1.1.0",
+            "status": "stable",
+            "kicad_version": "7.99",
+            "download_sha256": "ce2c4849fafc3b3aa0ce7c2c9c5a7256181f5e24a59cb5b901da06a8ffb9e0a7",
+            "download_size": 912925,
+            "download_url": "https://git.jaseg.de/kimesh.git/plain/de.jaseg.kimesh.footprints-v1.1.0.zip?h=v1.1.0",
+            "install_size": 5091564
+        }
+    ]
+}

de.jaseg.kimesh.plugin-repo-metadata.json

@@ -0,0 +1,49 @@
+{
+    "$schema": "https://go.kicad.org/pcm/schemas/v1",
+    "name": "KiMesh",
+    "description": "A security mesh generator for KiCad",
+    "description_full": "KiMesh automatically generates security meshes for you. A security mesh is a set of PCB traces that cover an area to detect physical tampering. KiMesh can cover arbitrary areas with two or more traces. Note: The KiMesh footprints Add-On must be installed alongside KiMesh. For detailed usage instructions, please have a look at the KiMesh website linked in the add-on information.",
+    "identifier": "de.jaseg.kimesh.plugin",
+    "type": "plugin",
+    "author": {
+        "name": "jaseg",
+        "contact": {
+            "web": "https://jaseg.de/"
+        }
+    },
+    "license": "GPL-3.0",
+    "resources": {
+        "homepage": "https://jaseg.de/projects/kimesh",
+        "git": "https://git.jaseg.de/kimesh.git",
+        "issues": "https://github.com/jaseg/kimesh/issues"
+    },
+    "versions": [
+        {
+            "version": "1.0.0",
+            "status": "stable",
+            "kicad_version": "7.99",
+            "download_sha256": "59da3a8a13be001fb6f5eee9e1d346f4beee6c0d736856b2da205db290ad21a6",
+            "download_size": 12895,
+            "download_url": "https://git.jaseg.de/kimesh.git/plain/de.jaseg.kimesh.plugin-v1.0.0.zip?h=v1.0.0",
+            "install_size": 45166
+        },
+        {
+            "version": "1.0.1",
+            "status": "stable",
+            "kicad_version": "7.99",
+            "download_sha256": "5367448e63cd824a60f47d85fdd379e7072eaceab6e93d2a2af3791a4b54aa25",
+            "download_size": 12911,
+            "download_url": "https://git.jaseg.de/kimesh.git/plain/de.jaseg.kimesh.plugin-v1.0.1.zip?h=v1.0.1",
+            "install_size": 45187
+        },
+        {
+            "version": "1.1.0",
+            "status": "stable",
+            "kicad_version": "7.99",
+            "download_sha256": "25b2cc22a77ae145f3cfda263b09a1fd23fa26fddc05f023b02cddfb4b0939fe",
+            "download_size": 13439,
+            "download_url": "https://git.jaseg.de/kimesh.git/plain/de.jaseg.kimesh.plugin-v1.1.0.zip?h=v1.1.0",
+            "install_size": 48310
+        }
+    ]
+}

de.jaseg.kimesh.plugin/plugins/mesh_dialog.py

@@ -8,6 +8,7 @@ from itertools import count, islice
 import json
 import re
 from os import path
+import os
 
 import wx
 
@@ -30,16 +31,22 @@ class AbortError(SystemError):
 
 @dataclasses.dataclass
 class GeneratorSettings:
-    edge_clearance: float = 1.5   # mm
+    edge_clearance:     float = 1.5   # mm
-    anchor:         str   = None  # Footprint designator
+    anchor:             str   = None  # Footprint designator
-    chamfer:        float = 0.0   # unit fraction
+    chamfer:            float = 0.0   # unit fraction
-    mask_layer_id:  int   = 0     # kicad layer id, populated later
+    mask_layer_id:      int   = 0     # kicad layer id, populated later
-    random_seed:    str   = None
+    random_seed:        str   = None
-    randomness:     float = 1.0
+    randomness:         float = 1.0
+    use_keepouts:       bool  = True
+    use_outline:        bool  = True
+    use_tracks:         bool  = False
+    track_clearance:    float = 0.2   # mm
+    save_visualization: bool  = True
+    visualization_path: str   = 'mesh_visualizations'
 
     def serialize(self):
         d = dataclasses.asdict(self)
-        d['kimesh_settings_version'] = '1.0.0'
+        d['kimesh_settings_version'] = '2.1.0'
         return json.dumps(d).encode()
 
     @classmethod
@@ -47,7 +54,7 @@ class GeneratorSettings:
         d = json.loads(data.decode())
         version = d.pop('kimesh_settings_version')
         vtup = tuple(map(int, version.split('.')))
-        if vtup > (2, 0, 0):
+        if vtup > (2, 1, 0):
             raise cls.VersionError("Project kimesh settings file is too new for this plugin's version.")
         return cls(**d)
 
@@ -69,6 +76,7 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
 
         self.nets = { str(wxs) for wxs, netinfo in board.GetNetsByName().items() }
         self.update_net_label(None)
+        self.update_outline_warning()
 
         self.Fit()
 
@@ -77,8 +85,8 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
             with open(self.settings_fn(), 'rb') as f:
                 try:
                     settings = GeneratorSettings.deserialize(f.read())
-                except GeneratorSettings.VersionError as e:
+                except (GeneratorSettings.VersionError, TypeError) as e:
-                    wx.MessageDialog(self, "Cannot load settings: {}.".format(e), "File I/O error").ShowModal()
+                    wx.MessageDialog(self, "Cannot load settings: {}.".format(e), "File I/O error. Will use default settings.").ShowModal()
 
         for i in range(pcbnew.PCB_LAYER_ID_COUNT):
             name = board.GetLayerName(i)
@@ -95,18 +103,76 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
         for i, fp in enumerate(self.fps):
             ref = fp.GetReference()
             self.m_anchorChoice.Append(ref)
-            if settings and ref == settings.anchor:
+            if (settings and ref == settings.anchor) or (not settings and 'MeshAnchor' in str(fp.GetFPID().GetLibItemName())):
                 self.m_anchorChoice.SetSelection(i)
 
+
         if settings:
             self.m_chamferSpin.Value = settings.chamfer*100.0
             self.m_maskLayerChoice.SetSelection(settings.mask_layer_id)
             self.m_seedInput.Value = settings.random_seed or ''
             self.m_randomnessSpin.Value = settings.randomness*100.0
             self.m_edgeClearanceSpin.Value = settings.edge_clearance
+            self.m_useOutlineCheckbox.Value = settings.use_outline
+            self.m_useKeepoutCheckbox.Value = settings.use_keepouts
+            self.m_vizTextfield.Value = settings.visualization_path
+            self.m_vizCheckbox.Value = settings.save_visualization
+            self.m_trackClearanceCheckbox.Value = settings.use_tracks
+            self.m_trackClearanceSpin.Value = settings.track_clearance
 
         self.SetMinSize(self.GetSize())
 
+    @contextmanager
+    def viz(self, filename):
+        if self.m_vizCheckbox.Value:
+            val = self.m_vizTextfield.Value
+            project_dir = path.dirname(self.board.GetFileName())
+            if val:
+                val = path.join(project_dir, val)
+                if not os.path.isdir(val):
+                    os.mkdir(val)
+                filename = path.join(val, filename)
+
+            filename = path.join(project_dir, filename)
+            with open(filename, 'w') as f:
+                wrapper = DebugOutputWrapper(f)
+                yield wrapper
+                wrapper.save()
+        
+        else:
+            wrapper = DebugOutputWrapper(None)
+            yield wrapper
+
+    def board_has_outline(self):
+        # KiCad's API is absolutely insane. As long as the board has an outline, the board outline function works
+        # alright. Now imagine the Edge.Cuts layer is empty. What would be a sane thing to do? I guess raising an error
+        # would be the best, with the second best being to return something like the hull of all objects on the other
+        # layers. Alas, KiCad doesn't do either. Instead, KiCad returns the union of the shapes of all objects on the
+        # **VISIBLE** layers, so the result of that outline function changes with which layers the user has set to
+        # visible. Whyyyyy :(
+        # 
+        # We have to work around this to avoid presenting the user with a foot-gun in case they hide their mesh
+        # definition layer.
+        #
+        edge_cuts = self.board.GetLayerID('Edge.Cuts')
+        outline_objs = []
+        for drawing in self.board.GetDrawings():
+            if drawing.GetLayer() == edge_cuts:
+                return True
+        else:
+            return False
+
+    def update_outline_warning(self):
+        outlines = pcbnew.SHAPE_POLY_SET()
+        self.board.GetBoardPolygonOutlines(outlines)
+        board_outlines = list(self.poly_set_to_shapely(outlines))
+        board_mask = shapely.ops.unary_union(board_outlines)
+
+        if not self.board_has_outline() or board_mask.is_empty:
+            self.m_warningLabel.SetLabelMarkup('<b>Warning: Board outline not found</b>')
+        else:
+            self.m_warningLabel.SetLabelMarkup('')
+
     def get_matching_nets(self):
         prefix = self.m_net_prefix.Value
         return { net for net in self.nets if net.startswith(prefix) }
@@ -142,7 +208,7 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
 
             count += 1
             self.board.Remove(track)
-        print(f'Tore up {count} trace segments.')
+        print(f'KiMesh: Tore up {count} trace segments.')
 
     def settings_fn(self):
         return path.join(path.dirname(self.board.GetFileName()), 'last_kimesh_settings.json')
@@ -170,14 +236,20 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
                 chamfer     = float(self.m_chamferSpin.Value)/100.0,
                 mask_layer_id   = self.m_maskLayerChoice.GetSelection(),
                 random_seed = str(self.m_seedInput.Value) or None,
-                randomness  = float(self.m_randomnessSpin.Value)/100.0)
+                randomness  = float(self.m_randomnessSpin.Value)/100.0,
+                use_outline = self.m_useOutlineCheckbox.Value,
+                use_keepouts = self.m_useKeepoutCheckbox.Value,
+                visualization_path = self.m_vizTextfield.Value,
+                save_visualization = self.m_vizCheckbox.Value,
+                use_tracks = self.m_trackClearanceCheckbox.Value,
+                track_clearance = self.m_trackClearanceSpin.Value)
         except ValueError as e:
             return wx.MessageDialog(self, "Invalid input value: {}.".format(e), "Invalid input").ShowModal()
 
         try:
             with open(self.settings_fn(), 'wb') as f:
                 f.write(settings.serialize())
-                print('Saved settings to', f.name)
+                print('KiMesh: Saved settings to', f.name)
         except:
             wx.MessageDialog(self, "Cannot save settings: {}.".format(e), "File I/O error").ShowModal()
 
@@ -190,27 +262,45 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
                 mesh_zones.append(drawing.GetPolyShape())
 
         if not mesh_zones:
-                return wx.MessageDialog(self, "Error: Could not find any mesh zones on the outline pattern layer.").ShowModal()
+            return wx.MessageDialog(self, "Error: Could not find any mesh zones on the outline pattern layer.").ShowModal()
 
         keepouts = []
         for zone in self.board.Zones():
             if zone.GetDoNotAllowCopperPour() and zone.GetLayerSet().Contains(target_layer_id):
                 keepouts.append(zone.Outline())
-        print(f'Found {len(keepouts)} keepout areas.')
+        print(f'KiMesh: Found {len(keepouts)} keepout areas.')
 
-        outlines = pcbnew.SHAPE_POLY_SET()
+        if self.board_has_outline() and self.m_useOutlineCheckbox.Value: # Avoid foot-gun due to insane API. See note in the function.
-        self.board.GetBoardPolygonOutlines(outlines)
+            outlines = pcbnew.SHAPE_POLY_SET()
-        board_outlines = list(self.poly_set_to_shapely(outlines))
+            self.board.GetBoardPolygonOutlines(outlines)
-        board_mask = shapely.ops.unary_union(board_outlines)
+            board_outlines = list(self.poly_set_to_shapely(outlines))
-        board_mask = board_mask.buffer(-settings.edge_clearance)
+            board_mask = shapely.ops.unary_union(board_outlines)
+            mask = board_mask.buffer(-settings.edge_clearance)
+            print('KiMesh: Board outline bounds:', mask.bounds)
+            if mask.is_empty:
+                return wx.MessageDialog(self, "Error: Board edge clearance is set too high. There is nothing left for the mesh after applying clearance.").ShowModal()
+        else:
+            mask = None
 
         zone_outlines = [ outline for zone in mesh_zones for outline in self.poly_set_to_shapely(zone) ]
         zone_mask = shapely.ops.unary_union(zone_outlines)
-        mask = zone_mask.intersection(board_mask)
+        if zone_mask.is_empty:
+            return wx.MessageDialog(self, "Error: Empty mesh outline on mesh outline layer. Make sure the mesh outline is defined with polygon objects only. Other shapes are not supported yet.").ShowModal()
+        elif mask is None:
+            mask = zone_mask
+        else:
+            mask = zone_mask.intersection(mask)
+        print('KiMesh: Mesh mask bounds:', zone_mask.bounds)
 
-        keepout_outlines = [ outline for zone in keepouts for outline in self.poly_set_to_shapely(zone) ]
+        if self.m_useKeepoutCheckbox.Value:
-        keepout_mask = shapely.ops.unary_union(keepout_outlines)
+            keepout_outlines = [ outline for zone in keepouts for outline in self.poly_set_to_shapely(zone) ]
-        mask = shapely.difference(mask, keepout_mask)
+            keepout_mask = shapely.ops.unary_union(keepout_outlines)
+            if not keepout_mask.is_empty:
+                mask = shapely.difference(mask, keepout_mask)
+            print('KiMesh: Keepout mask bounds:', keepout_mask.bounds)
+            print('KiMesh: Total mask bounds:', mask.bounds)
+        if mask.is_empty:
+            return wx.MessageDialog(self, "Error: After applying all keepouts, and intersecting with the board's outline, the mesh outline is empty.")
 
         try:
             def warn(msg):
@@ -252,37 +342,37 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
             warn('Anchor {} has multiple outlines. Using first outline for trace start.')
         anchor_pads = list(sorted(anchor.Pads(), key=lambda pad: int(pad.GetNumber())))
 
-        mesh_angle = anchor.GetOrientationDegrees()
         trace_width = pcbnew.ToMM(anchor_pads[0].GetSize()[0])
         space_width = pcbnew.ToMM(math.dist(anchor_pads[0].GetPosition(), anchor_pads[1].GetPosition())) - trace_width
         num_traces = len(anchor_pads)
-        assert num_traces%2 == 0
+        assert num_traces%4 == 0
-        num_traces //= 2
+        num_traces //= 4
         nets = [f'{net_prefix}{i}' for i in range(num_traces)]
 
         width_per_trace = trace_width + space_width
         grid_cell_width = width_per_trace * num_traces * 2
+        print(f'KiMesh: mesh cell size is {grid_cell_width} mm')
 
-        x0, y0 = anchor_pads[0].GetPosition()
+        x0, y0 = anchor_pads[len(anchor_pads)//2].GetPosition()
         x0, y0 = pcbnew.ToMM(x0), pcbnew.ToMM(y0)
         xl, yl = anchor_pads[-1].GetPosition()
         xl, yl = pcbnew.ToMM(xl), pcbnew.ToMM(yl)
 
         mesh_angle = math.atan2(xl-x0, yl-y0)
-        print('mesh angle is', math.degrees(mesh_angle))
+        print('KiMesh Mesh angle is', math.degrees(mesh_angle), 'degrees')
         len_along = - width_per_trace/2
-        x0 += -trace_width/2 * math.cos(mesh_angle) + len_along * math.sin(mesh_angle)
+        x0 += len_along * math.sin(mesh_angle)
-        y0 += -trace_width/2 * math.sin(mesh_angle) + len_along * math.cos(mesh_angle)
+        y0 += len_along * math.cos(mesh_angle)
 
         mask_xformed = affinity.translate(mask, -x0, -y0)
-        mask_xformed = affinity.rotate(mask_xformed, -mesh_angle, origin=(0, 0), use_radians=True)
+        mask_xformed = affinity.rotate(mask_xformed, mesh_angle, origin=(0, 0), use_radians=True)
         bbox = mask_xformed.bounds
 
         grid_x0, grid_y0 = math.floor(bbox[0]/grid_cell_width), math.floor(bbox[1]/grid_cell_width)
         grid_origin = grid_x0*grid_cell_width, grid_y0*grid_cell_width
         grid_rows = int(math.ceil((bbox[3] - grid_origin[1]) / grid_cell_width))
         grid_cols = int(math.ceil((bbox[2] - grid_origin[0]) / grid_cell_width))
-        print(f'generating grid of size {grid_rows} * {grid_cols} with origin {grid_x0}, {grid_y0}')
+        print(f'KiMesh: Generating grid of size {grid_rows} * {grid_cols} with origin {grid_x0}, {grid_y0}')
 
         grid = []
         for y in range(grid_y0, grid_y0+grid_rows):
@@ -291,25 +381,42 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
                 cell = polygon.Polygon([(0, 0), (0, 1), (1, 1), (1, 0)])
                 cell = affinity.scale(cell, grid_cell_width, grid_cell_width, origin=(0, 0))
                 cell = affinity.translate(cell, x*grid_cell_width, y*grid_cell_width)
-                cell = affinity.rotate(cell, mesh_angle, origin=(0, 0), use_radians=True)
+                cell = affinity.rotate(cell, -mesh_angle, origin=(0, 0), use_radians=True)
                 cell = affinity.translate(cell, x0, y0)
                 row.append(cell)
             grid.append(row)
 
+        def check_track_collision(cell, clearance=0.2):
+            cell_lc = pcbnew.SHAPE_LINE_CHAIN([pcbnew.VECTOR2I(pcbnew.FromMM(pt_x), pcbnew.FromMM(pt_y))
+                                               for pt_x, pt_y in cell.exterior.coords], True)
+            for track_or_via in self.board.GetTracks():
+                if not track_or_via.GetLayerSet().Contains(target_layer_id):
+                    continue
+
+                if pcbnew.ToMM(track_or_via.GetEffectiveShape().GetClearance(cell_lc)) < clearance:
+                    return True
+            return False
+
         num_valid = 0
-        with DebugOutput('dbg_grid.svg') as dbg:
+        with self.viz('mesh_grid.svg') as dbg:
             dbg.add(mask, color='#00000020')
 
             for y, row in enumerate(grid, start=grid_y0):
                 for x, cell in enumerate(row, start=grid_x0):
                     if mask.contains(cell):
-                        if x == 0 and y == 0: # exit cell
+                        if x == -1 and y == 0: # exit cell
                             color = '#ff00ff80'
+
+                        elif check_track_collision(cell):
+                            color = '#ffff0080'
+
                         else:
                             num_valid += 1
                             color = '#00ff0080'
+
                     elif mask.overlaps(cell):
-                        color = '#ffff0080'
+                        color = '#ff800080'
+
                     else:
                         color = '#ff000080'
                     dbg.add(cell, color=color)
@@ -317,11 +424,32 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
             for foo in anchor_outlines:
                 dbg.add(foo, color='#0000ff00', stroke_width=0.05, stroke_color='#000000ff')
 
+            for track in self.board.GetTracks():
+                if not track.GetLayerSet().Contains(target_layer_id):
+                    continue
+
+                shape = track.GetEffectiveShape().Cast()
+                if isinstance(shape, pcbnew.SHAPE_SEGMENT):
+                    seg = shape.GetSeg()
+                    dbg.add([[(pcbnew.ToMM(seg.A.x), pcbnew.ToMM(seg.A.y)),
+                              (pcbnew.ToMM(seg.B.x), pcbnew.ToMM(seg.B.y))]],
+                            color='none', stroke_width=pcbnew.ToMM(shape.GetWidth()), stroke_color='#ff0000ff')
+                
+                elif isinstance(shape, pcbnew.SHAPE_CIRCLE):
+                    center = shape.GetCenter()
+                    c_cx, c_cy = pcbnew.ToMM(center.y), pcbnew.ToMM(center.y)
+                    c_r = pcbnew.ToMM(shape.GetRadius())
+                    dbg.add([[(c_cx, c_cy-c_r), (c_cx, c_cy+c_r)], [(c_cx-c_r, c_cy), (c_cx+c_r, c_cy)]], color='none', stroke_width=0.05, stroke_color='#ff0000ff')
+
             dbg.add([[(x0-2, y0), (x0+2, y0)], [(x0, y0-2), (x0, y0+2)]], color='none', stroke_width=0.05, stroke_color='#ff0000ff')
 
         def is_valid(cell):
             if not mask.contains(cell):
                 return False
+
+            if self.m_trackClearanceCheckbox.Value and check_track_collision(cell, self.m_trackClearanceSpin.Value):
+                return False
+
             return True
 
         def iter_neighbors(x, y):
@@ -355,8 +483,7 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
             rnd_state.shuffle(l)
             yield from l
 
-        def add_track(segment:geometry.LineString, net=None):
+        def add_track(coords, net=None):
-            coords = list(segment.coords)
             for (x1, y1), (x2, y2) in zip(coords, coords[1:]):
                 if (x1, y1) == (x2, y2): # zero-length track due to zero chamfer
                     continue
@@ -377,12 +504,13 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
             netinfos.append(ni)
 
         not_visited = { (x, y) for x in range(grid_x0, grid_x0+grid_cols) for y in range(grid_y0, grid_y0+grid_rows) if is_valid(grid[y-grid_y0][x-grid_x0]) }
+        not_visited -= {(-1, 0)} # Remove exit cell
         num_to_visit = len(not_visited)
         track_count = 0
-        with DebugOutput('dbg_cells.svg') as dbg_cells,\
+        with self.viz('mesh_cells.svg') as dbg_cells,\
-             DebugOutput('dbg_composite.svg') as dbg_composite,\
+             self.viz('mesh_composite.svg') as dbg_composite,\
-             DebugOutput('dbg_tiles.svg') as dbg_tiles,\
+             self.viz('mesh_tiles.svg') as dbg_tiles,\
-             DebugOutput('dbg_traces.svg') as dbg_traces:
+             self.viz('mesh_traces.svg') as dbg_traces:
             dbg_cells.add(mask, color='#00000020')
             dbg_composite.add(mask, color='#00000020')
             dbg_traces.add(mask, color='#00000020')
@@ -415,7 +543,7 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
             i = 0
             past_tiles = {}
             def dump_output(i):
-                with DebugOutput(f'per-tile/step{i}.svg') as dbg_per_tile:
+                with self.viz(f'per-tile/step{i}.svg') as dbg_per_tile:
                     dbg_per_tile.add(mask, color='#00000020')
                     for foo in anchor_outlines:
                         dbg_per_tile.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
@@ -441,10 +569,11 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
                         for segment in segments:
                             segment = affinity.scale(segment, grid_cell_width, grid_cell_width, origin=(0, 0))
                             segment = affinity.translate(segment, le_x*grid_cell_width, le_y*grid_cell_width)
-                            segment = affinity.rotate(segment, mesh_angle, origin=(0, 0), use_radians=True)
+                            segment = affinity.rotate(segment, -mesh_angle, origin=(0, 0), use_radians=True)
                             segment = affinity.translate(segment, x0, y0)
                             dbg_per_tile.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color=stroke_color)
 
+            tracks_to_add = []
             armed = False
             while not_visited or stack:
                 for n_x, n_y, bmask in skewed_random_iter(iter_neighbors(x, y), entry_dir, settings.randomness):
@@ -475,21 +604,26 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
                         if is_valid(grid[y-grid_y0][x-grid_x0]):
                             segment = affinity.scale(segment, grid_cell_width, grid_cell_width, origin=(0, 0))
                             segment = affinity.translate(segment, x*grid_cell_width, y*grid_cell_width)
-                            segment = affinity.rotate(segment, mesh_angle, origin=(0, 0), use_radians=True)
+                            segment = affinity.rotate(segment, -mesh_angle, origin=(0, 0), use_radians=True)
                             segment = affinity.translate(segment, x0, y0)
                             dbg_composite.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color='#ffffff60')
                             dbg_traces.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color='#000000ff')
                             dbg_tiles.add(segment, stroke_width=trace_width, color='#ff000000', stroke_color=stroke_color)
-                            add_track(segment, netinfos[net]) # FIXME (works, disabled for debug)
+                            tracks_to_add.append((list(segment.coords), netinfos[net]))
                             track_count += 1
+
                     if not stack:
                         break
+
                     if armed:
                         i += 1
                         #dump_output(i)
                         armed = False
                     *stack, (x, y, key, entry_dir, depth) = stack
 
+            for coords, net in tracks_to_add:
+                add_track(coords, net)
+
             dbg_cells.scale_colors('visit_depth', max_depth)
             dbg_composite.scale_colors('visit_depth', max_depth)
 
@@ -500,7 +634,7 @@ class MeshPluginMainDialog(mesh_plugin_dialog.MainDialog):
                 dbg_tiles.add(foo, color='#00000080', stroke_width=0.05, stroke_color='#00000000')
 
 
-        print(f'Added {track_count} trace segments.')
+        print(f'KiMesh: Added {track_count} trace segments.')
 
         #pcbnew.Refresh()
         #self.tearup_mesh()
@@ -597,14 +731,6 @@ def virihex(val, max=1.0, alpha=1.0):
     r, g, b, a = [ int(round(0xff*c)) for c in [r, g, b, alpha] ]
     return f'#{r:02x}{g:02x}{b:02x}{a:02x}'
 
-@contextmanager
-def DebugOutput(filename):
-    filename = path.join('/tmp', filename)
-    with open(filename, 'w') as f:
-        wrapper = DebugOutputWrapper(f)
-        yield wrapper
-        wrapper.save()
-
 class DebugOutputWrapper:
     def __init__(self, f):
         self.f = f
@@ -655,7 +781,7 @@ class DebugOutputWrapper:
             raise ValueError(f'Unhandled shapely object type {type(obj)}')
 
         return (f'<path fill-rule="evenodd" fill="{fill_color}" opacity="{opacity}" stroke="{stroke_color}" '
-                f'stroke-width="{stroke_width}" d="{path}" />')
+                f'stroke-width="{stroke_width}" stroke-linecap="round" stroke-linejoin="round" d="{path}" />')
     
     def save(self, margin:'unit'=5, scale:'px/unit'=10):
         #specify margin in coordinate units
@@ -681,15 +807,16 @@ class DebugOutputWrapper:
             'xmlns:xlink': 'http://www.w3.org/1999/xlink'
         }
 
-        self.f.write(textwrap.dedent(r'''
+        if self.f is not None:
-            <?xml version="1.0" encoding="utf-8" ?>
+            self.f.write(textwrap.dedent(r'''
-            <svg {attrs:s}>
+                <?xml version="1.0" encoding="utf-8" ?>
-            {data}
+                <svg {attrs:s}>
-            </svg>
+                {data}
-        ''').format(
+                </svg>
-            attrs = ' '.join(['{key:s}="{val:s}"'.format(key = key, val = props[key]) for key in props]),
+            ''').format(
-            data = '\n'.join(self.gen_svg(obj, *style) for obj, style in self.objs)
+                attrs = ' '.join(['{key:s}="{val:s}"'.format(key = key, val = props[key]) for key in props]),
-        ).strip())
+                data = '\n'.join(self.gen_svg(obj, *style) for obj, style in self.objs)
+            ).strip())
 
 def show_dialog(board):
     dialog = MeshPluginMainDialog(board)

de.jaseg.kimesh.plugin/plugins/mesh_plugin_dialog.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 
 ###########################################################################
-## Python code generated with wxFormBuilder (version 3.10.1-367-gf0e67a69)
+## Python code generated with wxFormBuilder (version 3.10.1-380-gf48f2659)
 ## http://www.wxformbuilder.org/
 ##
 ## PLEASE DO *NOT* EDIT THIS FILE!
@@ -17,12 +17,18 @@ import wx.xrc
 class MainDialog ( wx.Dialog ):
 
 	def __init__( self, parent ):
-		wx.Dialog.__init__ ( self, parent, id = wx.ID_ANY, title = u"Security Mesh Generator Plugin", pos = wx.DefaultPosition, size = wx.Size( 632,458 ), style = wx.CLOSE_BOX|wx.DEFAULT_DIALOG_STYLE|wx.MINIMIZE_BOX|wx.RESIZE_BORDER|wx.STAY_ON_TOP )
+		wx.Dialog.__init__ ( self, parent, id = wx.ID_ANY, title = u"Security Mesh Generator Plugin", pos = wx.DefaultPosition, size = wx.Size( 632,650 ), style = wx.CLOSE_BOX|wx.DEFAULT_DIALOG_STYLE|wx.MINIMIZE_BOX|wx.RESIZE_BORDER|wx.STAY_ON_TOP )
 
 		self.SetSizeHints( wx.DefaultSize, wx.DefaultSize )
 
 		bSizer1 = wx.BoxSizer( wx.VERTICAL )
 
+		self.m_warningLabel = wx.StaticText( self, wx.ID_ANY, u"<font color=\"red\"><b>Warning: Board outline not found</b></font>", wx.DefaultPosition, wx.DefaultSize, wx.ALIGN_CENTER_HORIZONTAL )
+		self.m_warningLabel.SetLabelMarkup( u"<font color=\"red\"><b>Warning: Board outline not found</b></font>" )
+		self.m_warningLabel.Wrap( -1 )
+
+		bSizer1.Add( self.m_warningLabel, 0, wx.ALL|wx.EXPAND, 5 )
+
 		fgSizer1 = wx.FlexGridSizer( 0, 2, 0, 0 )
 		fgSizer1.AddGrowableCol( 1 )
 		fgSizer1.SetFlexibleDirection( wx.BOTH )
@@ -138,6 +144,50 @@ class MainDialog ( wx.Dialog ):
 		fgSizer1.Add( bSizer12, 1, wx.EXPAND, 5 )
 
 
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_useKeepoutCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Respect zone keepouts", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_useKeepoutCheckbox.SetValue(True)
+		fgSizer1.Add( self.m_useKeepoutCheckbox, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_useOutlineCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Respect board outline", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_useOutlineCheckbox.SetValue(True)
+		fgSizer1.Add( self.m_useOutlineCheckbox, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_trackClearanceCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Respect Tracks and Vias", wx.DefaultPosition, wx.DefaultSize, 0 )
+		fgSizer1.Add( self.m_trackClearanceCheckbox, 0, wx.ALL, 5 )
+
+		self.m_staticText15 = wx.StaticText( self, wx.ID_ANY, u"Track/Via clearance", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText15.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText15, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		self.m_trackClearanceSpin = wx.SpinCtrlDouble( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, wx.SP_ARROW_KEYS, 0, 1000, 0.2, 0.1 )
+		self.m_trackClearanceSpin.SetDigits( 3 )
+		fgSizer1.Add( self.m_trackClearanceSpin, 0, wx.ALL, 5 )
+
+
+		fgSizer1.Add( ( 0, 0), 1, wx.EXPAND, 5 )
+
+		self.m_vizCheckbox = wx.CheckBox( self, wx.ID_ANY, u"Save layout visualizations", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_vizCheckbox.SetValue(True)
+		fgSizer1.Add( self.m_vizCheckbox, 0, wx.ALL, 5 )
+
+		self.m_staticText14 = wx.StaticText( self, wx.ID_ANY, u"Visualization output directory", wx.DefaultPosition, wx.DefaultSize, 0 )
+		self.m_staticText14.Wrap( -1 )
+
+		fgSizer1.Add( self.m_staticText14, 0, wx.ALIGN_CENTER_VERTICAL|wx.ALIGN_RIGHT|wx.ALL, 5 )
+
+		self.m_vizTextfield = wx.TextCtrl( self, wx.ID_ANY, wx.EmptyString, wx.DefaultPosition, wx.DefaultSize, 0 )
+		fgSizer1.Add( self.m_vizTextfield, 0, wx.ALL|wx.EXPAND, 5 )
+
+
 		bSizer1.Add( fgSizer1, 1, wx.EXPAND, 5 )
 
 		bSizer99 = wx.BoxSizer( wx.HORIZONTAL )

debug_install.sh

@@ -1,13 +0,0 @@
-#!/bin/sh
-
-PLUGIN_NAME=security_mesh
-
-XDG_CONFIG_HOME="${XDG_CONFIG_HOME-$HOME/.config}"
-KICAD_BASE="${1-$XDG_CONFIG_HOME/kicad}"
-PLUGIN_DIR="$KICAD_BASE/scripting/plugins/$PLUGIN_NAME"
-
-rm -rf "$PLUGIN_DIR"
-mkdir -p "$PLUGIN_DIR"
-
-cp -r * $PLUGIN_DIR/
-

footprint_generator.py

@@ -0,0 +1,80 @@
+#!/usr/bin/env python3
+
+from pathlib import Path
+import itertools
+
+import gerbonara.cad.kicad as kc
+from gerbonara.cad.kicad import footprints
+import gerbonara as gn
+from gerbonara.utils import MM
+
+import click
+
+@click.command()
+@click.option('-w', '--trace-width', default='0.15', help='Comma-separated list of trace widths [mm]')
+@click.option('-c', '--clearance', default='0.15', help='Comma-separated list of clearances to step through [mm]')
+@click.option('-n', '--conductors', default='2', help='Comma-separated list of numbers of conductors')
+@click.argument('output_dir', type=click.Path(dir_okay=True, file_okay=False, path_type=Path))
+def generate_footprints(output_dir, trace_width, clearance, conductors):
+    trace_widths = [float(x.strip()) for x in trace_width.split(',')]
+    clearances = [float(x.strip()) for x in clearance.split(',')]
+    conductors = [int(x.strip()) for x in conductors.split(',')]
+
+    if output_dir.suffix != '.pretty':
+        output_dir = output_dir.with_name(output_dir.name + '.pretty')
+
+    for trace, space, conductors in itertools.product(trace_widths, clearances, conductors):
+        pitch = trace + space
+
+        fp = footprints.Footprint(
+                name=f'MeshAnchor_{conductors}W_T{trace:.3f}mm_S{space:.3f}mm',
+                _version=20230620,
+                generator = footprints.Atom('kimesh_footprint_generator'),
+                descr=f'KiMesh mesh anchor footprint, {conductors} wires, {trace:.3f} mm trace width, {space:.3f} mm clearance',
+                tags='net tie',
+                attributes=footprints.Attribute(footprints.Atom.smd),
+                net_tie_pad_groups=[f'{i+1},{2*conductors-i},{2*conductors+1+i},{4*conductors-i}' for i in range(conductors)],
+                polygons=[footprints.Polygon(
+                    pts=footprints.PointList(xy=[
+                        footprints.XYCoord(-pitch/2, pitch * (conductors - i - 0.5) + trace/2),
+                        footprints.XYCoord(pitch/2, pitch * (conductors - i - 0.5) + trace/2),
+                        footprints.XYCoord(pitch/2, pitch * (conductors - i - 0.5) - trace/2),
+                        footprints.XYCoord(-pitch/2, pitch * (conductors - i - 0.5) - trace/2),
+                        ]),
+                    layer='F.Cu',
+                    fill=footprints.Atom.solid)
+                          for i in range(2*conductors)],
+                lines=[footprints.Line(footprints.XYCoord(pitch/2 + trace/2 + 0.25 + x1, y1),
+                                       footprints.XYCoord(pitch/2 + trace/2 + 0.25 + x2, y2),
+                                       'F.Fab',
+                                       stroke=footprints.Stroke(width=0.25))
+                       for x1, y1, x2, y2 in [
+                           (0, pitch * (conductors - 0.5) + trace/2 - 0.25/2,
+                            0, pitch * (-conductors + 0.5) - trace/2 + 0.25/2),
+                           (0, 0, conductors * pitch, 0),
+                           (conductors * pitch, 0, conductors * pitch/2, conductors * pitch/2),
+                           (conductors * pitch, 0, conductors * pitch/2, -conductors * pitch/2),
+                           ]],
+                texts=[
+                    footprints.Text(
+                        text='Mesh',
+                        at=footprints.AtPos(pitch/2 + trace/2 + 0.25 + conductors * pitch + 0.5, 0),
+                        layer='F.Fab',
+                        effects=footprints.TextEffect(justify=footprints.Justify(h=footprints.Atom.left))
+                        )
+                    ],
+                pads=[
+                    footprints.Pad(
+                        number=f'{i+1}',
+                        type=footprints.Atom.smd,
+                        shape=footprints.Atom.circle,
+                        at=footprints.AtPos(pitch * (i//(2*conductors) - 0.5), -pitch * (conductors - i%(2*conductors) - 0.5)),
+                        size=footprints.XYCoord(trace, trace),
+                        layers=['F.Cu'])
+                    for i in range(4*conductors)])
+        output_dir.mkdir(exist_ok=True)
+        fp.make_standard_properties()
+        fp.write(output_dir / f'{fp.name}.kicad_mod')
+
+if __name__ == '__main__':
+    generate_footprints()

main_dialog.fbp

@@ -48,7 +48,7 @@
       <property name="minimum_size"></property>
       <property name="name">MainDialog</property>
       <property name="pos"></property>
-      <property name="size">632,458</property>
+      <property name="size">632,650</property>
       <property name="style">wxCLOSE_BOX|wxDEFAULT_DIALOG_STYLE|wxMINIMIZE_BOX|wxRESIZE_BORDER|wxSTAY_ON_TOP</property>
       <property name="subclass">; ; forward_declare</property>
       <property name="title">Security Mesh Generator Plugin</property>
@@ -62,6 +62,68 @@
         <property name="name">bSizer1</property>
         <property name="orient">wxVERTICAL</property>
         <property name="permission">none</property>
+        <object class="sizeritem" expanded="true">
+          <property name="border">5</property>
+          <property name="flag">wxALL|wxEXPAND</property>
+          <property name="proportion">0</property>
+          <object class="wxStaticText" expanded="true">
+            <property name="BottomDockable">1</property>
+            <property name="LeftDockable">1</property>
+            <property name="RightDockable">1</property>
+            <property name="TopDockable">1</property>
+            <property name="aui_layer"></property>
+            <property name="aui_name"></property>
+            <property name="aui_position"></property>
+            <property name="aui_row"></property>
+            <property name="best_size"></property>
+            <property name="bg"></property>
+            <property name="caption"></property>
+            <property name="caption_visible">1</property>
+            <property name="center_pane">0</property>
+            <property name="close_button">1</property>
+            <property name="context_help"></property>
+            <property name="context_menu">1</property>
+            <property name="default_pane">0</property>
+            <property name="dock">Dock</property>
+            <property name="dock_fixed">0</property>
+            <property name="docking">Left</property>
+            <property name="drag_accept_files">0</property>
+            <property name="enabled">1</property>
+            <property name="fg"></property>
+            <property name="floatable">1</property>
+            <property name="font"></property>
+            <property name="gripper">0</property>
+            <property name="hidden">0</property>
+            <property name="id">wxID_ANY</property>
+            <property name="label">&lt;font color=&quot;red&quot;&gt;&lt;b&gt;Warning: Board outline not found&lt;/b&gt;&lt;/font&gt;</property>
+            <property name="markup">1</property>
+            <property name="max_size"></property>
+            <property name="maximize_button">0</property>
+            <property name="maximum_size"></property>
+            <property name="min_size"></property>
+            <property name="minimize_button">0</property>
+            <property name="minimum_size"></property>
+            <property name="moveable">1</property>
+            <property name="name">m_warningLabel</property>
+            <property name="pane_border">1</property>
+            <property name="pane_position"></property>
+            <property name="pane_size"></property>
+            <property name="permission">protected</property>
+            <property name="pin_button">1</property>
+            <property name="pos"></property>
+            <property name="resize">Resizable</property>
+            <property name="show">1</property>
+            <property name="size"></property>
+            <property name="style">wxALIGN_CENTER_HORIZONTAL</property>
+            <property name="subclass">; ; forward_declare</property>
+            <property name="toolbar_pane">0</property>
+            <property name="tooltip"></property>
+            <property name="window_extra_style"></property>
+            <property name="window_name"></property>
+            <property name="window_style"></property>
+            <property name="wrap">-1</property>
+          </object>
+        </object>
         <object class="sizeritem" expanded="true">
           <property name="border">5</property>
           <property name="flag">wxEXPAND</property>
@@ -1333,6 +1395,560 @@
                 </object>
               </object>
             </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxEXPAND</property>
+              <property name="proportion">1</property>
+              <object class="spacer" expanded="true">
+                <property name="height">0</property>
+                <property name="permission">protected</property>
+                <property name="width">0</property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxCheckBox" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="checked">1</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="label">Respect zone keepouts</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_useKeepoutCheckbox</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="validator_data_type"></property>
+                <property name="validator_style">wxFILTER_NONE</property>
+                <property name="validator_type">wxDefaultValidator</property>
+                <property name="validator_variable"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxEXPAND</property>
+              <property name="proportion">1</property>
+              <object class="spacer" expanded="true">
+                <property name="height">0</property>
+                <property name="permission">protected</property>
+                <property name="width">0</property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxCheckBox" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="checked">1</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="label">Respect board outline</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_useOutlineCheckbox</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="validator_data_type"></property>
+                <property name="validator_style">wxFILTER_NONE</property>
+                <property name="validator_type">wxDefaultValidator</property>
+                <property name="validator_variable"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxEXPAND</property>
+              <property name="proportion">1</property>
+              <object class="spacer" expanded="true">
+                <property name="height">0</property>
+                <property name="permission">protected</property>
+                <property name="width">0</property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxCheckBox" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="checked">0</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="label">Respect Tracks and Vias</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_trackClearanceCheckbox</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="validator_data_type"></property>
+                <property name="validator_style">wxFILTER_NONE</property>
+                <property name="validator_type">wxDefaultValidator</property>
+                <property name="validator_variable"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALIGN_CENTER_VERTICAL|wxALIGN_RIGHT|wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxStaticText" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="label">Track/Via clearance</property>
+                <property name="markup">0</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_staticText15</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+                <property name="wrap">-1</property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxSpinCtrlDouble" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="digits">3</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="inc">0.1</property>
+                <property name="initial">0.2</property>
+                <property name="max">1000</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min">0</property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_trackClearanceSpin</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style">wxSP_ARROW_KEYS</property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="value"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxEXPAND</property>
+              <property name="proportion">1</property>
+              <object class="spacer" expanded="true">
+                <property name="height">0</property>
+                <property name="permission">protected</property>
+                <property name="width">0</property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxCheckBox" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="checked">1</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="label">Save layout visualizations</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_vizCheckbox</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="validator_data_type"></property>
+                <property name="validator_style">wxFILTER_NONE</property>
+                <property name="validator_type">wxDefaultValidator</property>
+                <property name="validator_variable"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALIGN_CENTER_VERTICAL|wxALIGN_RIGHT|wxALL</property>
+              <property name="proportion">0</property>
+              <object class="wxStaticText" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="label">Visualization output directory</property>
+                <property name="markup">0</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_staticText14</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+                <property name="wrap">-1</property>
+              </object>
+            </object>
+            <object class="sizeritem" expanded="true">
+              <property name="border">5</property>
+              <property name="flag">wxALL|wxEXPAND</property>
+              <property name="proportion">0</property>
+              <object class="wxTextCtrl" expanded="true">
+                <property name="BottomDockable">1</property>
+                <property name="LeftDockable">1</property>
+                <property name="RightDockable">1</property>
+                <property name="TopDockable">1</property>
+                <property name="aui_layer"></property>
+                <property name="aui_name"></property>
+                <property name="aui_position"></property>
+                <property name="aui_row"></property>
+                <property name="best_size"></property>
+                <property name="bg"></property>
+                <property name="caption"></property>
+                <property name="caption_visible">1</property>
+                <property name="center_pane">0</property>
+                <property name="close_button">1</property>
+                <property name="context_help"></property>
+                <property name="context_menu">1</property>
+                <property name="default_pane">0</property>
+                <property name="dock">Dock</property>
+                <property name="dock_fixed">0</property>
+                <property name="docking">Left</property>
+                <property name="drag_accept_files">0</property>
+                <property name="enabled">1</property>
+                <property name="fg"></property>
+                <property name="floatable">1</property>
+                <property name="font"></property>
+                <property name="gripper">0</property>
+                <property name="hidden">0</property>
+                <property name="id">wxID_ANY</property>
+                <property name="max_size"></property>
+                <property name="maximize_button">0</property>
+                <property name="maximum_size"></property>
+                <property name="maxlength"></property>
+                <property name="min_size"></property>
+                <property name="minimize_button">0</property>
+                <property name="minimum_size"></property>
+                <property name="moveable">1</property>
+                <property name="name">m_vizTextfield</property>
+                <property name="pane_border">1</property>
+                <property name="pane_position"></property>
+                <property name="pane_size"></property>
+                <property name="permission">protected</property>
+                <property name="pin_button">1</property>
+                <property name="pos"></property>
+                <property name="resize">Resizable</property>
+                <property name="show">1</property>
+                <property name="size"></property>
+                <property name="style"></property>
+                <property name="subclass">; ; forward_declare</property>
+                <property name="toolbar_pane">0</property>
+                <property name="tooltip"></property>
+                <property name="validator_data_type"></property>
+                <property name="validator_style">wxFILTER_NONE</property>
+                <property name="validator_type">wxDefaultValidator</property>
+                <property name="validator_variable"></property>
+                <property name="value"></property>
+                <property name="window_extra_style"></property>
+                <property name="window_name"></property>
+                <property name="window_style"></property>
+              </object>
+            </object>
           </object>
         </object>
         <object class="sizeritem" expanded="true">

package.py

@@ -0,0 +1,106 @@
+#!/usr/bin/env python3
+import re
+import hashlib
+import shutil
+import subprocess
+import json
+from pathlib import Path
+
+import click
+
+def tree_size(path):
+    return sum(entry.stat().st_size for entry in path.glob('**/*') if entry.is_file())
+
+@click.command()
+@click.option('--major', 'increment', flag_value='major')
+@click.option('--minor', 'increment', flag_value='minor', default=True)
+@click.option('--patch', 'increment', flag_value='patch', default=True)
+@click.argument('version', required=False)
+def do_release(version, increment):
+    if not version:
+        tag = subprocess.run('git describe --tags --abbrev=0 --match v*'.split(),
+                             check=True, capture_output=True, text=True)
+        major, minor, patch = map(int, re.fullmatch(r'v([0-9]+)\.([0-9]+)\.([0-9]+)', tag.stdout.strip()).groups())
+        match increment:
+            case 'major':
+                major, minor, patch = (major+1, 0, 0)
+            case 'minor':
+                major, minor, patch = (major, minor+1, 0)
+            case 'patch':
+                major, minor, patch = (major, minor, patch+1)
+        version = f'{major}.{minor}.{patch}'
+    
+    res = subprocess.run('git status --porcelain --untracked-files=no'.split(),
+                   check=True, capture_output=True, text=True)
+    if res.stdout.strip():
+        raise click.ClickException('There are uncommitted changes in this repository.')
+
+    print('Cleaning old footprints')
+    footprint_dir = Path('de.jaseg.kimesh.footprints') / 'footprints'
+    shutil.rmtree(footprint_dir, ignore_errors=True)
+    footprint_dir.mkdir()
+
+    print('Re-generating footprints')
+    for n in range(1, 9):
+        subprocess.run(['python', '-m', 'footprint_generator',
+                        '-w', '0.100,0.120,0.150,0.200,0.250,0.300,0.350,0.400,0.500,0.600,0.700,0.800,1.000,1.200,1.500,1.800',
+                        '-c', '0.100,0.120,0.150,0.200,0.300,0.400,0.500',
+                        '-n', str(n),
+                        str(footprint_dir / f'kimesh_anchors_{n}wire.pretty')
+                        ], check=True)
+
+    res = subprocess.run('git ls-files'.split(), check=True, capture_output=True, text=True)
+    for path in res.stdout.splitlines():
+        if re.fullmatch(r'de\.jaseg\.kimesh\.[^/]*-v[.0-9]*\.zip', path.strip()):
+            print(f'Removing old release zip {path} from git index.')
+            subprocess.run(['git', 'rm', path], check=True, capture_output=True)
+
+    for pkg_dir in Path('de.jaseg.kimesh.plugin'), Path('de.jaseg.kimesh.footprints'):
+        # NOTE: metadata.json appears twice. In what I believe is a sub-optimal design choice, the variant in the
+        # archive is only allowed to contain the current version in its version list without its zip file metadata,
+        # while the variant in the repository index is supposed to contain all past versions including their zip file
+        # metadata. AFAICT they are the same otherwise.
+        meta_path = Path(f'{pkg_dir}-repo-metadata.json')
+
+        print(f'Updating metadata file {meta_path}')
+        ver_dict = {
+            'version': version,
+            'status': 'stable',
+            'kicad_version': '7.99',
+        }
+
+        # Include just the version metadata in the metadata for the archive
+        meta_file = json.loads(meta_path.read_text())
+        meta_file['versions'] = [ver_dict]
+        (pkg_dir / 'metadata.json').write_text(json.dumps(meta_file, indent=4))
+
+        zip_fn = Path(shutil.make_archive(f'{pkg_dir.name}-v{version}', 'zip', pkg_dir, '.'))
+        print(f'Adding new release zip {zip_fn} to git index.')
+        subprocess.run(['git', 'add', str(zip_fn)], check=True, capture_output=True)
+
+        # Add the zip's metadata to the metadata for the repository
+        ver_dict['download_sha256'] = hashlib.sha256(zip_fn.read_bytes()).hexdigest()
+        ver_dict['download_size'] = zip_fn.stat().st_size
+        ver_dict['download_url'] = f'https://git.jaseg.de/kimesh.git/plain/{zip_fn.name}?h=v{version}'
+        ver_dict['install_size'] = tree_size(pkg_dir)
+
+        meta_file = json.loads(meta_path.read_text())
+        meta_file['versions'].append(ver_dict)
+        meta_path.write_text(json.dumps(meta_file, indent=4))
+
+        print(f'Adding updated metadata file {meta_path} to git index')
+        subprocess.run(['git', 'add', str(meta_path)], check=True, capture_output=True)
+
+    print('Create git commit')
+    subprocess.run(['git', 'commit', '-m', f'Version {version}', '--no-edit'], check=True, capture_output=True)
+    res = subprocess.run('git rev-parse --short HEAD'.split(), check=True, capture_output=True, text=True)
+    print(f'Created commit {res.stdout.strip()}')
+    print(f'Creating and signing version tag v{version}')
+    subprocess.run(['git',
+                    '-c', 'user.signingkey=E36F75307F0A0EC2D145FF5CED7A208EEEC76F2D',
+                    '-c', 'user.email=python-mpv@jaseg.de',
+                    'tag', '-s', f'v{version}', '-m', f'Version v{version}'],
+                   check=True)
+
+if __name__ == '__main__':
+    do_release()