val/101.py

import cadquery as cq
w0=cq.Workplane('YZ',origin=(100,0,0))
r=w0.sketch().push([(-51,-20)]).circle(14).push([(-50.5,-20)]).rect(21,8,mode='s').push([(45,14)]).circle(20).push([(45,14.5)]).rect(30,23,mode='s').finalize().extrude(-200)