File size: 221 Bytes
5e6439e | 1 2 3 | import cadquery as cq
w0=cq.Workplane('YZ',origin=(-20,0,0))
r=w0.sketch().circle(50).reset().face(w0.sketch().segment((-12,-5),(-11,-7)).segment((12,5)).segment((11,7)).close().assemble(),mode='s').finalize().extrude(41) |