| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,20)) | |
| r=w0.workplane(offset=-41/2).moveTo(25,1).cylinder(41,22).union(w0.sketch().segment((-50,-11),(-18,-11)).arc((4,-28),(31,-17)).arc((44,3),(27,21)).arc((8,28),(-11,21)).segment((-50,21)).close().assemble().push([(46,-22)]).circle(4).reset().face(w0.sketch().segment((43,-22),(46,-24)).segment((48,-21)).segment((45,-19)).close().assemble(),mode='s').finalize().extrude(-20)) |