import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,50,0))
w1=cq.Workplane('YZ',origin=(-43,0,0))
r=w0.sketch().segment((11,-38),(20,-38)).arc((-16,35),(34,-30)).segment((34,-14)).arc((-13,25),(11,-31)).close().assemble().finalize().extrude(-87).union(w1.sketch().push([(-34,-33)]).circle(16).push([(-32,-38)]).circle(2,mode='s').finalize().extrude(38))