| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-28)) | |
| r=w0.sketch().segment((12,-50),(17,-50)).segment((17,-13)).arc((28,0),(17,13)).segment((17,50)).segment((12,50)).segment((12,13)).arc((1,0),(12,-13)).close().assemble().finalize().extrude(41).union(w0.workplane(offset=57/2).moveTo(-3,13).cylinder(57,25)) |