| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-23,0,0)) | |
| r=w0.sketch().segment((-36,-50),(36,-50)).segment((36,11)).segment((-11,11)).segment((-11,50)).segment((-32,50)).segment((-32,11)).segment((-36,11)).close().assemble().finalize().extrude(47) |