| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-14,0,0)) | |
| r=w0.sketch().circle(50).reset().face(w0.sketch().segment((-7,-21),(-7,21)).arc((-22,0),(-7,-21)).assemble(),mode='s').reset().face(w0.sketch().arc((7,-21),(22,0),(7,21)).close().assemble(),mode='s').finalize().extrude(29) |