| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(6,0,0)) | |
| r=w0.sketch().arc((-12,-19),(-18,-48),(1,-25)).segment((27,-25)).segment((27,-2)).segment((-12,-2)).close().assemble().finalize().extrude(-11).union(w0.sketch().push([(4,40)]).circle(10).circle(7,mode='s').finalize().extrude(-2)) |