| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-37,0,0)) | |
| r=w0.sketch().arc((-37,34),(37,-34),(-24,44)).segment((-1,44)).segment((-1,40)).segment((-24,40)).segment((-24,34)).close().assemble().reset().face(w0.sketch().segment((-22,23),(-20,8)).segment((28,15)).segment((26,32)).close().assemble(),mode='s').finalize().extrude(74) |