| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-12,0)) | |
| r=w0.sketch().push([(0,12)]).rect(66,76).circle(12,mode='s').finalize().extrude(12).union(w0.sketch().segment((-29,12),(-25,-2)).segment((5,2)).segment((-1,21)).close().assemble().reset().face(w0.sketch().segment((-15,-31),(-9,-50)).segment((20,-41)).segment((15,-27)).close().assemble()).finalize().extrude(24)) |