import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-24))
w1=cq.Workplane('XY',origin=(0,0,-26))
r=w0.sketch().push([(53,-8)]).circle(47).rect(66,42,mode='s').reset().face(w0.sketch().arc((58,59),(66,57),(73,54)).segment((74,57)).segment((59,62)).close().assemble()).finalize().extrude(24).union(w0.sketch().arc((-100,21),(-95,33),(-100,45)).close().assemble().reset().face(w0.sketch().arc((-73,53),(-31,34),(-41,-12)).segment((-6,-23)).segment((15,45)).segment((-67,71)).close().assemble()).finalize().extrude(51)).union(w1.sketch().segment((-58,-67),(-32,-67)).arc((-15,-71),(3,-67)).segment((29,-67)).segment((29,20)).segment((-58,20)).close().assemble().finalize().extrude(17))