| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,7,0)) | |
| r=w0.sketch().segment((-50,-29),(-40,-33)).segment((-28,-4)).segment((-38,0)).arc((-35,-19),(-50,-29)).assemble().finalize().extrude(-20).union(w0.workplane(offset=5/2).moveTo(15,27.5).box(70,11,5)) |