diff --git a/coil_test_board.py b/coil_test_board.py
index af47ddf..dee1178 100644
--- a/coil_test_board.py
+++ b/coil_test_board.py
@@ -369,7 +369,8 @@ for index, ((y, x), spec) in tqdm.tqdm(enumerate(zip(itertools.product(range(row
         if 'gen.outer_diameter' not in spec:
             spec['gen.outer_diameter'] = coil_dia
 
-        args = ['python', '-m', 'twisted_coil_gen_twolayer', '--no-keepout-zone']
+        Path('svg').mkdir(exist_ok=True)
+        args = ['python', '-m', 'twisted_coil_gen_twolayer', '--no-keepout-zone', '--svg-out', f'svg/tile{index}.svg']
         for k, v in spec.items():
             prefix, _, k = k.partition('.')
             if (not isinstance(v, bool) or v) and prefix == 'gen':