| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(-21,0,0)) | |
| r=w0.sketch().push([(-31,-0.5)]).rect(38,43).reset().face(w0.sketch().segment((18,-19),(50,-19)).segment((50,-6)).arc((49,-6),(50,-5)).segment((50,22)).segment((18,22)).segment((18,8)).arc((-11,-2),(18,-12)).close().assemble()).reset().face(w0.sketch().segment((19,-11),(48,-11)).segment((48,15)).segment((19,15)).segment((19,6)).arc((21,-2),(19,-10)).close().assemble(),mode='s').finalize().extrude(43) |