import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,31))
r=w0.sketch().segment((-50,23),(-39,30)).segment((-43,32)).close().assemble().reset().face(w0.sketch().segment((22,9),(50,-32)).segment((50,9)).close().assemble()).finalize().extrude(-63)