| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,8)) | |
| r=w0.sketch().arc((-50,-5),(-22,9),(-50,-4)).segment((-43,-4)).segment((-43,-5)).close().assemble().finalize().extrude(-18).union(w0.sketch().arc((46,0),(47,3),(48,5)).segment((50,6)).segment((49,10)).arc((48,17),(46,22)).close().assemble().finalize().extrude(2)) |