| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,28)) | |
| r=w0.sketch().arc((-47,7),(-16,-45),(22,2)).segment((50,2)).segment((50,43)).segment((8,43)).segment((8,45)).segment((-5,45)).segment((-5,43)).segment((-47,43)).close().assemble().finalize().extrude(-56) |