| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,7)) | |
| r=w0.workplane(offset=-30/2).moveTo(36,45).cylinder(30,5).union(w0.sketch().segment((-41,-50),(-29,-50)).arc((-33,-39),(-29,-29)).segment((-41,-29)).close().assemble().finalize().extrude(15)) |