| r=w0.sketch().segment((-31,17),(-13,17)).segment((-13,15)).segment((6,15)).segment((6,17)).segment((13,17)).segment((8,15)).segment((36,15)).segment((36,17)).segment((50,17)).segment((50,25)).segment((36,25)).segment((36,41)).segment((-13,41)).segment((-13,25)).segment((-31,25)).close().assemble().reset().face(w0.sketch().segment((8,25),(13,25)).segment((13,27)).close().assemble(),mode='s').finalize().extrude(-31).union(w0.sketch().segment((-50,-41),(-19,-41)).segment((-19,15)).segment((-50,15)).arc((-28,-14),(-50,-41)).assemble().finalize().extrude(-14)) |