| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-19)) | |
| r=w0.sketch().segment((-50,-22),(-49,-22)).arc((8,-14),(-49,-13)).segment((-50,-13)).close().assemble().finalize().extrude(-25).union(w0.sketch().arc((13,38),(41,8),(16,41)).segment((16,40)).arc((14,38),(13,38)).assemble().finalize().extrude(63)) |