import cadquery as cq
w0=cq.Workplane('YZ',origin=(-34,0,0))
r=w0.sketch().segment((-44,6),(-25,6)).arc((-34,28),(-25,50)).segment((-44,50)).close().assemble().finalize().extrude(43).union(w0.sketch().push([(-2,28.5)]).rect(16,5).push([(-2,28)]).circle(2,mode='s').push([(21.5,-41.5)]).rect(45,17).finalize().extrude(68))