| import cadquery as cq | |
| w0=cq.Workplane('XY',origin=(0,0,39)) | |
| r=w0.sketch().segment((-50,-7),(-3,-7)).arc((-4,-14),(-4,-20)).arc((-18,-38),(5,-37)).segment((5,-35)).arc((49,-22),(17,11)).segment((17,45)).segment((-50,45)).close().assemble().reset().face(w0.sketch().arc((5,5),(10,9),(16,11)).segment((5,11)).close().assemble(),mode='s').finalize().extrude(-77) |