import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,70,0))
w1=cq.Workplane('ZX',origin=(0,48,0))
r=w0.sketch().segment((-82,-74),(25,-74)).segment((25,74)).segment((-82,74)).segment((-82,15)).arc((-33,-19),(-82,-53)).close().assemble().finalize().extrude(30).union(w1.workplane(offset=-148/2).moveTo(59,-40).cylinder(148,23))