diff --git a/_patch_fillet.py b/_patch_fillet.py
deleted file mode 100644
index c6ab290..0000000
--- a/_patch_fillet.py
+++ /dev/null
@@ -1,68 +0,0 @@
-"""Apply OBJ Mesh.Mesh patch to export.py - targeting only export_obj."""
-with open("src/freecad_mcp/tools/export.py", "r") as f:
-    content = f.read()
-
-old = """    async def export_obj(
-        file_path: str,
-        object_names: list[str] | None = None,
-        doc_name: str | None = None,
-        mesh_tolerance: float = 0.1,
-    ) -> dict[str, Any]:
-        \"\"\"Export objects to OBJ format.
-
-        OBJ (Wavefront) is a common 3D model format supported by many
-        3D graphics applications and game engines.
-
-        Args:\"\"\"
-        bridge = await get_bridge()
-
-        code = f\"\"\"
-import Mesh
-
-doc = FreeCAD.ActiveDocument if {doc_name!r} is None else FreeCAD.getDocument({doc_name!r})
-if doc is None:
-    raise ValueError(\"No document found\")
-{_build_object_selection_code(object_names)}
-# Create mesh from shapes
-meshes = []
-for obj in objects:
-    mesh = Mesh.Mesh()
-    mesh.addFacets(obj.Shape.tessellate({mesh_tolerance})[0])
-    meshes.append(mesh)"""
-
-new = """    async def export_obj(
-        file_path: str,
-        object_names: list[str] | None = None,
-        doc_name: str | None = None,
-        mesh_tolerance: float = 0.1,
-    ) -> dict[str, Any]:
-        \"\"\"Export objects to OBJ format.
-
-        OBJ (Wavefront) is a common 3D model format supported by many
-        3D graphics applications and game engines.
-
-        Args:\"\"\"
-        bridge = await get_bridge()
-
-        code = f\"\"\"
-import Mesh
-
-doc = FreeCAD.ActiveDocument if {doc_name!r} is None else FreeCAD.getDocument({doc_name!r})
-if doc is None:
-    raise ValueError(\"No document found\")
-{_build_object_selection_code(object_names)}
-# Create mesh from shapes (FC 1.1.1: Mesh.Mesh(shape.tessellate()) instead of addFacets)
-meshes = []
-for obj in objects:
-    mesh = Mesh.Mesh(obj.Shape.tessellate({mesh_tolerance}))
-    meshes.append(mesh)"""
-
-count = content.count(old)
-print(f"OBJ: found {count} occurrences")
-if count == 1:
-    content = content.replace(old, new)
-    with open("src/freecad_mcp/tools/export.py", "w") as f:
-        f.write(content)
-    print("OBJ patch applied")
-else:
-    print("Not unique - need manual edit")