diff --git a/dev_schematics.py b/dev_schematics.py
index 0b868702..c59f2153 100644
--- a/dev_schematics.py
+++ b/dev_schematics.py
@@ -64,7 +64,7 @@ def add_to_sys_path(path):
 
 
 with add_to_sys_path(root_dir / "examples"):
-    from mcu import App
+    from iterative_design_nand import App
 
 app = App()
 
diff --git a/src/faebryk/exporters/schematic/kicad/transformer.py b/src/faebryk/exporters/schematic/kicad/transformer.py
index 5e27be13..a47dfc4c 100644
--- a/src/faebryk/exporters/schematic/kicad/transformer.py
+++ b/src/faebryk/exporters/schematic/kicad/transformer.py
@@ -639,7 +639,13 @@ def _(obj: C_rect) -> BoundingBox | None:
     @get_bbox.register
     @staticmethod
     def _(obj: C_circle) -> BoundingBox:
-        radius = Geometry.distance_euclid(obj.center, obj.end)
+        if obj.radius is None:
+            radius = Geometry.distance_euclid(obj.center, obj.end)
+        elif obj.end is None:
+            radius = obj.radius
+        else:
+            raise ValueError("Circle has both radius and end")
+
         return Geometry.bbox(
             (obj.center.x - radius, obj.center.y - radius),
             (obj.center.x + radius, obj.center.y + radius),
diff --git a/src/faebryk/libs/kicad/fileformats_sch.py b/src/faebryk/libs/kicad/fileformats_sch.py
index ca9c91f6..2edf6962 100644
--- a/src/faebryk/libs/kicad/fileformats_sch.py
+++ b/src/faebryk/libs/kicad/fileformats_sch.py
@@ -69,9 +69,10 @@ class E_type(SymEnum):
 @dataclass(kw_only=True)
 class C_circle:
     center: C_xy
-    end: C_xy
     stroke: C_stroke
     fill: C_fill
+    radius: Optional[float] = None
+    end: Optional[C_xy] = None
 
 
 @dataclass(kw_only=True)