| import cadquery as cq | |
| w0=cq.Workplane('YZ',origin=(39,0,0)) | |
| r=w0.sketch().segment((-50,1),(-39,-32)).segment((-17,-25)).arc((10,-29),(29,-10)).segment((50,-3)).segment((39,32)).segment((18,24)).arc((-10,29),(-29,8)).close().assemble().reset().face(w0.sketch().segment((-31,3),(-29,-8)).segment((-13,-6)).arc((1,-15),(15,-4)).segment((31,-4)).segment((31,6)).segment((13,6)).arc((-1,15),(-13,4)).close().assemble(),mode='s').finalize().extrude(-79) |