| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-19)) | |
| r=w0.sketch().arc((4,34),(11,35),(15,40)).segment((22,37)).segment((28,50)).close().assemble().finalize().extrude(-24).union(w0.sketch().segment((-34,13),(-33,-50)).segment((34,-49)).segment((33,13)).close().assemble().reset().face(w0.sketch().segment((-14,-48),(14,-48)).segment((14,-29)).arc((17,-18),(14,-8)).segment((14,12)).segment((-14,12)).segment((-14,-8)).arc((-17,-18),(-14,-29)).close().assemble(),mode='s').finalize().extrude(63)) |