| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-15)) | |
| r=w0.sketch().segment((-16,-50),(16,-50)).segment((16,-35)).arc((0,-38),(-16,-35)).close().assemble().reset().face(w0.sketch().arc((-16,35),(0,38),(16,35)).segment((16,50)).segment((-16,50)).close().assemble()).finalize().extrude(31) |