import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-17))
r=w0.sketch().segment((-2,-53),(9,-53)).arc((23,11),(88,19)).segment((88,53)).segment((-2,53)).close().assemble().finalize().extrude(-83).union(w0.sketch().push([(43,0)]).circle(30).rect(20,54,mode='s').finalize().extrude(115)).union(w0.workplane(offset=117/2).moveTo(-55,5).cylinder(117,33))