import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,82,0))
w1=cq.Workplane('YZ',origin=(12,0,0))
r=w0.sketch().arc((31,-45),(62,-4),(31,38)).close().assemble().finalize().extrude(18).union(w1.sketch().segment((-82,-42),(-67,-42)).segment((-67,-39)).arc((-95,-57),(-68,-37)).segment((-82,-37)).close().assemble().finalize().extrude(33))