| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-6)) | |
| r=w0.sketch().segment((-45,-50),(6,-50)).segment((6,-16)).segment((45,-16)).segment((45,50)).segment((-6,50)).segment((-6,46)).arc((1,32),(-6,19)).segment((-6,-12)).segment((-45,-12)).close().assemble().finalize().extrude(3).union(w0.sketch().segment((18,12),(19,-9)).segment((22,-9)).segment((21,12)).close().assemble().finalize().extrude(12)) |