import cadquery as cq
w0=cq.Workplane('YZ',origin=(-18,0,0))
w1=cq.Workplane('XY',origin=(0,0,-31))
r=w0.sketch().segment((-22,-32),(22,-30)).segment((22,-13)).segment((-22,-15)).close().assemble().finalize().extrude(68).union(w1.sketch().segment((-38,-6),(-33,-6)).arc((-49,5),(-32,-5)).segment((-32,-1)).segment((-38,-1)).close().assemble().finalize().extrude(64))