| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-42)) | |
| r=w0.sketch().segment((-41,-44),(50,-44)).segment((50,44)).segment((-41,44)).segment((-41,-12)).arc((-50,-19),(-41,-26)).close().assemble().push([(24,38)]).circle(1,mode='s').finalize().extrude(85) |