import cadquery as cq
w0=cq.Workplane('YZ',origin=(53,0,0))
w1=cq.Workplane('YZ',origin=(25,0,0))
r=w0.sketch().segment((-31,-71),(-19,-73)).segment((-19,-100)).segment((65,-100)).segment((65,-81)).segment((72,-82)).segment((77,-31)).segment((65,-29)).segment((65,-2)).segment((-19,-2)).segment((-19,-21)).segment((-27,-20)).close().assemble().push([(23,-51)]).rect(58,22,mode='s').finalize().extrude(-109).union(w0.workplane(offset=3/2).moveTo(23,-51).cylinder(3,42)).union(w1.sketch().segment((-25,40),(-25,100)).arc((-61,4),(35,40)).close().assemble().finalize().extrude(-8))