| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,50,0)) | |
| r=w0.sketch().arc((5,27),(-33,-13),(22,-16)).segment((35,-16)).segment((35,32)).segment((5,32)).close().assemble().reset().face(w0.sketch().segment((5,9),(5,21)).arc((2,15),(5,9)).assemble(),mode='s').finalize().extrude(-100) |