diff --git a/gerbonara/aperture_macros/primitive.py b/gerbonara/aperture_macros/primitive.py
index 31c5cb9..0c0d54c 100644
--- a/gerbonara/aperture_macros/primitive.py
+++ b/gerbonara/aperture_macros/primitive.py
@@ -97,8 +97,8 @@ class Circle(Primitive):
     exposure : Expression
     diameter : UnitExpression
     # center x/y
-    x : UnitExpression
-    y : UnitExpression
+    x : UnitExpression = 0
+    y : UnitExpression = 0
     rotation : Expression = 0
 
     def to_graphic_primitives(self, offset, rotation, variable_binding={}, unit=None, polarity_dark=True):
diff --git a/gerbonara/cad/primitives.py b/gerbonara/cad/primitives.py
index 9c7d9dc..c659274 100644
--- a/gerbonara/cad/primitives.py
+++ b/gerbonara/cad/primitives.py
@@ -135,7 +135,6 @@ class Board:
                                                  force_bounds=force_bounds)
 
     def pretty_svg(self, side='top', margin=0, arg_unit=MM, svg_unit=MM, force_bounds=None, inkscape=False, colors=None):
-        print('Pretty svg', side)
         return self.layer_stack().to_pretty_svg(side=side, margin=margin, arg_unit=arg_unit, svg_unit=svg_unit,
                                                    force_bounds=force_bounds, inkscape=inkscape, colors=colors)
 
diff --git a/gerbonara/cad/protoboard.py b/gerbonara/cad/protoboard.py
index 7e43945..ff8bfd8 100644
--- a/gerbonara/cad/protoboard.py
+++ b/gerbonara/cad/protoboard.py
@@ -56,7 +56,7 @@ class ProtoBoard(Board):
                 if not any(bbox_intersect(obj.bounding_box(unit), hole_bbox) for hole_bbox in hole_bboxes):
                     self.add(obj, keepout_errors='ignore')
             else:
-                self.add(obj, keepout_errors='skip')
+                self.add(obj, keepout_errors='ignore')
 
 
 class PropLayout:
@@ -715,6 +715,56 @@ class SpikyProto(ObjectGroup):
         return inst
 
 
+@dataclass(frozen=True, slots=True)
+class StarburstPad(PadStack):
+    # Starburst pattern inspired by elecfreaks' "flower" protoboard
+    pitch_x: float = 2.54
+    pitch_y: float = 2.54
+    trace_width_x: float = 1.4
+    trace_width_y: float = 1.4
+    clearance: float = 0.5
+    drill: float = 0.9
+    annular_ring: float = 1.2
+
+    @property
+    def apertures(self):
+        var = ParameterExpression
+        # parameters:  [1: pitch_x,
+        #               2: trace_width_x,
+        #               3: pitch_y,
+        #               4: trace_width_y,
+        #               5: diagonal_clearance,
+        #               6: annular_ring_width]
+        starburst_macro = ApertureMacro('STARB', 6, primitives=(
+            amp.CenterLine(MM, 1, var(1), var(2)),
+            amp.CenterLine(MM, 1, var(4), var(3)),
+            amp.VectorLine(MM, 0, var(5), -var(1)/2, -var(3)/2, var(1)/2, var(3)/2),
+            amp.VectorLine(MM, 0, var(5), var(1)/2, -var(3)/2, -var(1)/2, var(3)/2),
+            amp.Circle(MM, 1, var(6)),
+            ))
+
+        main_ap = ApertureMacroInstance(starburst_macro, (self.pitch_x - self.clearance,# 1
+                                                          self.trace_width_x,           # 2
+                                                          self.pitch_y - self.clearance,# 3
+                                                          self.trace_width_y,           # 4
+                                                          self.clearance,               # 5
+                                                          self.annular_ring), unit=self.unit)  # 6
+
+        mask_ap = ApertureMacroInstance(starburst_macro, (self.pitch_x,                 # 1
+                                                          self.trace_width_x,           # 2
+                                                          self.pitch_y,                 # 3
+                                                          self.trace_width_y,           # 4
+                                                          self.clearance,               # 5
+                                                          self.annular_ring), unit=self.unit)  # 6
+
+        yield PadStackAperture(main_ap, 'top', 'copper')
+        yield PadStackAperture(mask_ap, 'top', 'mask')
+        yield PadStackAperture(main_ap, 'bottom', 'copper')
+        yield PadStackAperture(mask_ap, 'bottom', 'mask')
+
+        drill = ExcellonTool(self.drill, plated=True, unit=self.unit)
+        yield PadStackAperture(drill, 'drill', 'plated', 0, 0)
+
 class AlioCell(Positioned):
     """ Cell primitive for the ALio protoboard designed by arief ibrahim adha and published on hackaday.io at the URL
     below. Similar to electroniceel's spiky protoboard, this layout has small-ish standard THT pads, but in between
diff --git a/gerbonara/cad/protoserve.py b/gerbonara/cad/protoserve.py
index a2aa7d6..68f401c 100644
--- a/gerbonara/cad/protoserve.py
+++ b/gerbonara/cad/protoserve.py
@@ -129,6 +129,13 @@ def deserialize(obj, unit):
                     via_size=via_size
                 ), margin=unit(1.5, MM), unit=unit)
 
+        case 'starburst':
+            trace_width_x = float(obj.get('trace_width_x', 1.8))
+            trace_width_y = float(obj.get('trace_width_y', 1.8))
+            drill = float(obj.get('hole_dia', 0.9))
+            annular_ring = float(obj.get('annular', 1.2))
+            return pb.PatternProtoArea(pitch_x, pitch_y, pb.StarburstPad(pitch_x, pitch_y, trace_width_x, trace_width_y, clearance, drill, annular_ring, unit=unit), unit=unit)
+
         case 'rf':
             pitch = float(obj.get('pitch', 2.54))
             hole_dia = float(obj['hole_dia'])
diff --git a/gerbonara/cad/protoserve_data/protoserve.html b/gerbonara/cad/protoserve_data/protoserve.html
index e1d00b3..e454f87 100644
--- a/gerbonara/cad/protoserve_data/protoserve.html
+++ b/gerbonara/cad/protoserve_data/protoserve.html
@@ -411,6 +411,7 @@ input[type="text"]:focus:valid {
                     <a href="#" data-placeholder="rf" class="double-sided-only">RF THT area</a>
                     <a href="#" data-placeholder="spiky" class="double-sided-only">Spiky hybrid area</a>
                     <a href="#" data-placeholder="alio" class="double-sided-only">ALio hybrid area</a>
+                    <a href="#" data-placeholder="starburst" class="double-sided-only">THT starburst area</a>
                 </div>
             </div>
         </template>
@@ -709,6 +710,53 @@ input[type="text"]:focus:valid {
             </div>
         </template>
 
+        <template id="tpl-g-starburst">
+            <div data-type="starburst" class="group starburst">
+                <h4>Starburst area</h4>
+                <span class="content area-controls">(<a href="#" class="area-remove">Remove</a><a href="#" class="area-move">Move</a>)</span>
+                <label class="proportion">Proportion
+                    <input type="text" name="layout_prop" value="1" pattern="[0-9]+\.?[0-9]*"/>
+                </label>
+
+                <h5>Area Settings</h5>
+                <label>Pitch X
+                    <input type="text" name="pitch_x" placeholder="length" value="2.54" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+                <label>Pitch Y
+                    <input type="text" name="pitch_y" placeholder="length" value="2.54" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+                <label>Drill diameter
+                    <input type="text" name="drill" placeholder="length" value="0.9" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+                <label>Annular ring
+                    <input type="text" name="annular" placeholder="length" value="1.2" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+                <label>Clearance
+                    <input type="text" name="clearance" placeholder="length" value="0.5" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+                <label>Trace width X
+                    <input type="text" name="trace_width_x" placeholder="length" value="1.40" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+                <label>Trace width Y
+                    <input type="text" name="trace_width_y" placeholder="length" value="1.40" pattern="[0-9]+\.?[0-9]*"/>
+                    <span class="unit metric">mm</span>
+                    <span class="unit us">mil</span>
+                </label>
+            </div>
+        </template>
+
         <script>
             document.querySelectorAll('.expand').forEach((elem) => {
                 const checkbox = elem.querySelector(':first-child > input');