import cadquery as cq
w0=cq.Workplane('YZ',origin=(-3,0,0))
w1=cq.Workplane('ZX',origin=(0,-7,0))
r=w0.sketch().segment((7,8),(8,23)).segment((17,22)).arc((-14,34),(7,8)).assemble().finalize().extrude(53).union(w1.sketch().push([(-23,-32)]).circle(18).push([(-22.5,-31.5)]).rect(9,15,mode='s').finalize().extrude(19))