import cadquery as cq
w0=cq.Workplane('YZ',origin=(31,0,0))
r=w0.sketch().segment((-100,-56),(98,-60)).segment((100,59)).segment((77,60)).arc((76,48),(73,36)).segment((92,20)).segment((40,-41)).segment((21,-25)).arc((-43,-33),(-99,1)).close().assemble().finalize().extrude(-63)