val/111.py

import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,63))
r=w0.sketch().segment((-10,-100),(10,-100)).segment((10,-95)).arc((95,0),(10,95)).segment((10,100)).segment((-10,100)).segment((-10,95)).arc((-95,0),(-10,-95)).close().assemble().circle(65,mode='s').finalize().extrude(-126)