import cadquery as cq
w0=cq.Workplane('YZ',origin=(-9,0,0))
w1=cq.Workplane('YZ',origin=(14,0,0))
r=w0.sketch().segment((-50,9),(-45,9)).arc((-45,4),(-43,0)).segment((-43,-5)).segment((-29,-5)).segment((-29,-1)).arc((-25,3),(-24,9)).segment((-22,9)).segment((-22,35)).segment((-29,35)).segment((-29,49)).segment((-43,49)).segment((-43,35)).segment((-50,35)).close().assemble().finalize().extrude(8).union(w0.sketch().arc((-7,0),(20,-16),(7,-45)).arc((10,-46),(13,-46)).segment((16,-49)).segment((18,-47)).arc((43,-35),(48,-8)).segment((50,-6)).segment((47,-3)).arc((38,7),(26,13)).segment((23,16)).segment((21,14)).arc((5,11),(-7,0)).assemble().finalize().extrude(20)).union(w1.workplane(offset=-28/2).moveTo(19.5,-16.5).box(31,9,28))