import cadquery as cq
w0=cq.Workplane('YZ',origin=(-24,0,0))
w1=cq.Workplane('ZX',origin=(0,14,0))
r=w0.sketch().segment((25,-47),(34,-47)).arc((29,-45),(25,-41)).close().assemble().finalize().extrude(-26).union(w0.sketch().arc((20,19),(22,27),(20,34)).close().assemble().finalize().extrude(74)).union(w1.sketch().push([(27,-13)]).circle(20).reset().face(w1.sketch().segment((10,-20),(11,-20)).segment((11,-23)).segment((13,-23)).arc((20,-26),(28,-23)).segment((43,-23)).segment((43,-4)).segment((11,-4)).segment((11,-10)).arc((10,-10),(10,-11)).segment((10,-12)).arc((9,-15),(10,-18)).close().assemble(),mode='s').finalize().extrude(-49))