| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-50,0,0)) | |
| r=w0.workplane(offset=89/2).moveTo(29,-9).cylinder(89,16).union(w0.sketch().push([(-28,8)]).circle(17).reset().face(w0.sketch().segment((-41,2),(-35,1)).arc((-29,-3),(-22,-1)).segment((-17,-2)).segment((-15,13)).segment((-20,14)).arc((-26,18),(-33,16)).segment((-38,17)).close().assemble(),mode='s').finalize().extrude(100)) |