| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,47)) | |
| r=w0.sketch().segment((9,-29),(14,-29)).segment((14,-25)).arc((11,-27),(9,-29)).assemble().finalize().extrude(-97).union(w0.sketch().segment((-6,-28),(6,-28)).segment((6,-25)).arc((25,0),(6,25)).segment((6,29)).segment((-6,29)).segment((-6,25)).arc((-25,0),(-6,-25)).close().assemble().reset().face(w0.sketch().segment((-6,-18),(-6,19)).arc((-20,0),(-6,-18)).assemble(),mode='s').reset().face(w0.sketch().arc((6,-18),(20,0),(6,19)).close().assemble(),mode='s').finalize().extrude(3)) |