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import cadquery as cq
w0=cq.Workplane('YZ',origin=(31,0,0))
w1=cq.Workplane('ZX',origin=(0,7,0))
r=w0.sketch().push([(-3,0)]).circle(44).circle(17,mode='s').finalize().extrude(-131).union(w1.sketch().segment((-53,31),(-27,31)).arc((0,20),(27,31)).segment((53,31)).segment((53,90)).segment((27,90)).arc((0,100),(-27,90)).segment((-53,90)).close().assemble().finalize().extrude(40))