| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,35)) | |
| r=w0.workplane(offset=-70/2).moveTo(0,-13).cylinder(70,37).union(w0.sketch().segment((-28,-40),(28,-40)).segment((28,15)).segment((19,15)).arc((-2,50),(-22,15)).segment((-28,15)).close().assemble().push([(0,-13)]).circle(2,mode='s').finalize().extrude(-22)) |