| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,-28,0)) | |
| r=w0.sketch().arc((-21,-32),(4,-50),(27,-28)).arc((-5,50),(-21,-32)).assemble().reset().face(w0.sketch().arc((-18,-11),(-1,0),(19,-6)).arc((-5,27),(-18,-11)).assemble(),mode='s').finalize().extrude(57) |