import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-33,0))
w1=cq.Workplane('XY',origin=(0,0,4))
r=w0.sketch().push([(-15,58)]).circle(42).circle(40,mode='s').finalize().extrude(2).union(w0.sketch().segment((3,-68),(16,-68)).segment((18,-84)).segment((45,-81)).arc((43,-78),(45,-74)).segment((44,-68)).segment((57,-68)).segment((57,-66)).segment((44,-66)).segment((42,-51)).segment((14,-54)).segment((16,-66)).segment((3,-66)).close().assemble().finalize().extrude(58)).union(w1.sketch().push([(-73,6)]).circle(27).circle(15,mode='s').finalize().extrude(48))