val/102.py

import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-13,0))
r=w0.sketch().push([(-44,20)]).circle(56).push([(-44,20.5)]).rect(34,25,mode='s').finalize().extrude(-43).union(w0.sketch().segment((59,-76),(67,-76)).segment((67,-63)).arc((100,-26),(67,10)).segment((67,23)).segment((59,23)).segment((59,10)).arc((26,-26),(59,-63)).close().assemble().finalize().extrude(70))