import cadquery as cq
w0=cq.Workplane('YZ',origin=(36,0,0))
r=w0.sketch().push([(-1,-33)]).circle(17).circle(5,mode='s').finalize().extrude(-72).union(w0.sketch().push([(0,23)]).circle(27).push([(-5,19)]).circle(2,mode='s').finalize().extrude(-26))