-f1 = MakePolygon(mesh, 0, 0, 0, 30, 13)
-f2 = MakePolygon(mesh, 0, 0, 10, 21, 9)
-f3 = MakePolygon(mesh, 0, 0, 20, 13, 6)
+f1 = MakePolygon(mesh, 0, 0, 0, 30, 13, smesh_builder=mesh)
+f2 = MakePolygon(mesh, 0, 0, 10, 21, 9, smesh_builder=mesh)
+f3 = MakePolygon(mesh, 0, 0, 20, 13, 6, smesh_builder=mesh)