| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,25,0)) | |
| r=w0.sketch().arc((-25,-5),(-21,-11),(-15,-14)).segment((-15,-50)).segment((25,-50)).segment((25,50)).segment((-15,50)).segment((-15,16)).arc((-21,13),(-24,8)).segment((-24,-5)).close().assemble().reset().face(w0.sketch().segment((-21,9),(-20,7)).segment((-15,10)).segment((-15,13)).close().assemble(),mode='s').finalize().extrude(-50) |