import cadquery as cq
w0=cq.Workplane('YZ',origin=(-32,0,0))
w1=cq.Workplane('YZ',origin=(-18,0,0))
r=w0.sketch().segment((-36,-48),(0,-48)).segment((-1,-49)).segment((1,-50)).segment((2,-48)).segment((36,-48)).segment((36,50)).segment((-36,50)).close().assemble().finalize().extrude(22).union(w1.sketch().push([(14,31)]).circle(19).circle(9,mode='s').finalize().extrude(51))