import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,8))
r=w0.workplane(offset=-55/2).moveTo(-45,61).cylinder(55,25).union(w0.sketch().segment((0,-85),(34,-100)).segment((39,-89)).arc((59,-73),(60,-47)).arc((62,-41),(63,-34)).segment((64,-33)).segment((63,-33)).arc((26,-2),(4,-46)).arc((1,-60),(4,-73)).close().assemble().finalize().extrude(26)).union(w0.sketch().push([(15,73.5)]).rect(42,53).reset().face(w0.sketch().segment((1,93),(6,51)).segment((28,54)).segment((23,96)).close().assemble(),mode='s').reset().face(w0.sketch().segment((-2,-55),(70,-55)).segment((70,3)).segment((56,3)).segment((56,-38)).segment((37,-38)).segment((37,-29)).segment((30,-44)).segment((22,-39)).segment((37,-9)).segment((37,3)).segment((-2,3)).close().assemble()).finalize().extrude(39))