File size: 231 Bytes
5e6439e | 1 2 3 | import cadquery as cq
w0=cq.Workplane('YZ',origin=(-23,0,0))
r=w0.sketch().circle(50).reset().face(w0.sketch().segment((22,-3),(28,-3)).segment((28,3)).segment((22,3)).arc((23,0),(22,-3)).assemble(),mode='s').finalize().extrude(46) |