val/115.py

import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,2,0))
r=w0.sketch().segment((0,2),(9,-26)).segment((11,-26)).segment((0,10)).close().assemble().finalize().extrude(-102).union(w0.workplane(offset=62/2).moveTo(-4,19).cylinder(62,7)).union(w0.workplane(offset=98/2).moveTo(-4,19).cylinder(98,3))