| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-1,0,0)) | |
| r=w0.sketch().push([(-20,32.5)]).rect(40,35).reset().face(w0.sketch().segment((-10,-26),(15,-50)).segment((40,-24)).segment((15,0)).close().assemble()).push([(15,-25)]).circle(17,mode='s').finalize().extrude(3) |