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import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,12))
r=w0.sketch().push([(-72,32)]).circle(28).circle(14,mode='s').finalize().extrude(-34).union(w0.sketch().segment((-33,-25),(1,-36)).segment((1,-48)).segment((41,-48)).segment((80,-60)).segment((100,6)).segment((66,16)).segment((66,28)).segment((26,28)).segment((-13,40)).close().assemble().push([(34,-10)]).circle(32,mode='s').finalize().extrude(9))