| import cadquery as cq | |
| w0=cq.Workplane('ZX',origin=(0,29,0)) | |
| r=w0.sketch().segment((28,-28),(28,-9)).segment((48,-9)).segment((48,-18)).arc((-16,9),(43,-28)).close().assemble().finalize().extrude(-66).union(w0.sketch().push([(-38,-20)]).circle(12).reset().face(w0.sketch().segment((-7,20),(-1,20)).arc((19,2),(39,20)).segment((45,20)).segment((45,24)).segment((39,24)).arc((19,42),(-1,24)).segment((-7,24)).close().assemble()).finalize().extrude(9)) |