import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-25,0))
r=w0.sketch().segment((-53,-68),(-44,-68)).arc((37,-88),(32,-5)).segment((32,6)).arc((35,32),(22,55)).arc((-28,98),(-45,34)).arc((-46,26),(-46,17)).segment((-53,17)).close().assemble().finalize().extrude(50)