| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,6)) | |
| r=w0.sketch().segment((-11,-50),(11,-50)).segment((11,-42)).arc((43,0),(11,42)).segment((11,50)).segment((-11,50)).segment((-11,42)).arc((-43,0),(-11,-42)).close().assemble().finalize().extrude(-26).union(w0.sketch().segment((-39,17),(2,-42)).segment((39,-17)).segment((-2,42)).close().assemble().rect(10,40,mode='s').finalize().extrude(14)) |