| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(13,0,0)) | |
| r=w0.sketch().segment((4,-49),(6,-49)).arc((11,-50),(16,-49)).segment((18,-49)).segment((18,-48)).arc((28,-33),(18,-17)).segment((16,-17)).arc((11,-16),(6,-17)).segment((4,-17)).segment((4,-48)).close().assemble().finalize().extrude(-39).union(w0.sketch().segment((-28,13),(-6,13)).arc((24,14),(12,41)).segment((12,50)).segment((-28,50)).close().assemble().finalize().extrude(12)) |