import cadquery as cq
w0=cq.Workplane('YZ',origin=(-12,0,0))
r=w0.sketch().segment((-32,-8),(-14,-8)).arc((0,-21),(14,-8)).segment((32,-8)).segment((32,-5)).segment((14,-5)).arc((0,8),(-14,-5)).segment((-32,-5)).close().assemble().finalize().extrude(-38).union(w0.sketch().arc((-1,-6),(0,-7),(1,-7)).arc((12,21),(-1,-6)).assemble().finalize().extrude(62))