| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(20,0,0)) | |
| r=w0.workplane(offset=-57/2).moveTo(33,30).cylinder(57,17).union(w0.sketch().push([(-29,1)]).circle(21).circle(2,mode='s').reset().face(w0.sketch().segment((-25,-47),(34,-47)).segment((34,-10)).segment((-3,-10)).arc((-11,-25),(-25,-33)).close().assemble()).finalize().extrude(17)) |