import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-42,0))
r=w0.workplane(offset=56/2).moveTo(14,-75).cylinder(56,25).union(w0.sketch().push([(-18,-6)]).circle(22).push([(17,93.5)]).rect(46,13).finalize().extrude(84))