import cadquery as cq
w0=cq.Workplane('YZ',origin=(73,0,0))
r=w0.sketch().push([(-79.5,-88)]).rect(41,10).reset().face(w0.sketch().segment((3,-16),(70,-16)).segment((70,93)).segment((13,93)).arc((9,88),(3,83)).close().assemble()).finalize().extrude(-146).union(w0.sketch().segment((14,59),(14,71)).arc((-27,-34),(86,-39)).arc((60,-12),(96,-19)).arc((84,47),(22,72)).segment((22,59)).close().assemble().finalize().extrude(-132))