| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(31,0,0)) | |
| r=w0.sketch().segment((-50,-27),(-15,-27)).arc((-31,0),(-15,27)).segment((-50,27)).close().assemble().reset().face(w0.sketch().segment((15,-27),(50,-27)).segment((50,27)).segment((15,27)).arc((31,0),(15,-27)).assemble()).finalize().extrude(-62) |