| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-10,0,0)) | |
| r=w0.sketch().arc((-46,30),(-49,26),(-45,29)).arc((-46,29),(-46,30)).assemble().finalize().extrude(6).union(w0.sketch().segment((-32,-38),(11,-38)).arc((-11,-25),(-32,-38)).assemble().reset().face(w0.sketch().segment((-13,-23),(1,-21)).arc((25,26),(25,-26)).segment((28,-47)).segment((50,-47)).segment((50,47)).segment((-13,47)).close().assemble()).finalize().extrude(20)) |