| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-18)) | |
| r=w0.workplane(offset=-32/2).moveTo(33.5,-44).box(17,4,32).union(w0.sketch().arc((4,-16),(46,-15),(19,17)).arc((-46,26),(4,-16)).assemble().push([(-15,12)]).circle(34,mode='s').finalize().extrude(68)) |