import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-70))
r=w0.sketch().segment((-97,-60),(22,-60)).segment((22,-100)).segment((97,-100)).segment((97,44)).segment((37,44)).arc((2,100),(-37,46)).segment((-97,46)).close().assemble().push([(-37,-7)]).circle(2,mode='s').finalize().extrude(141)