| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,-36)) | |
| r=w0.sketch().segment((-37,-39),(-31,-39)).arc((0,-50),(31,-39)).segment((37,-39)).segment((37,-34)).arc((50,0),(37,34)).segment((37,39)).segment((31,39)).arc((0,50),(-31,39)).segment((-37,39)).segment((-37,34)).arc((-50,0),(-37,-34)).close().assemble().circle(41,mode='s').finalize().extrude(72) |