| r=w0.sketch().segment((-50,-37),(3,-37)).segment((3,-36)).segment((46,-36)).segment((46,-29)).segment((3,-29)).segment((3,14)).segment((5,14)).segment((5,16)).segment((-33,16)).segment((-50,16)).close().assemble().finalize().extrude(-8).union(w0.sketch().arc((-5,-1),(-3,-22),(13,-35)).segment((13,-37)).segment((32,-37)).segment((32,-35)).arc((50,-9),(32,17)).segment((32,20)).segment((27,20)).segment((27,37)).segment((-5,37)).close().assemble().push([(29.5,12.5)]).rect(5,7,mode='s').finalize().extrude(41)) |