| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-28,0)) | |
| r=w0.sketch().arc((-16,-17),(-14,-31),(1,-30)).arc((38,32),(-16,-17)).assemble().reset().face(w0.sketch().arc((5,28),(19,-22),(13,30)).segment((13,37)).segment((5,37)).close().assemble(),mode='s').finalize().extrude(10).union(w0.sketch().segment((-50,-41),(5,-41)).segment((5,-3)).segment((-1,-3)).segment((0,3)).segment((-28,9)).segment((-30,-3)).segment((-50,-3)).close().assemble().finalize().extrude(56)) |