| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-16,0,0)) | |
| r=w0.sketch().push([(9,-1)]).circle(15).circle(12,mode='s').finalize().extrude(-34).union(w0.sketch().segment((18,-13),(25,-13)).segment((25,7)).segment((21,7)).arc((-25,3),(18,-13)).assemble().reset().face(w0.sketch().segment((-10,-8),(-8,-10)).segment((-7,-9)).arc((6,-6),(5,7)).segment((6,8)).segment((4,10)).segment((3,9)).arc((-10,6),(-9,-7)).close().assemble(),mode='s').finalize().extrude(66)) |