import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-42,0))
r=w0.sketch().segment((-3,-50),(10,-50)).segment((10,-12)).segment((33,-10)).segment((29,33)).segment((10,31)).segment((10,50)).segment((-3,50)).segment((-3,23)).arc((-33,12),(-3,1)).close().assemble().finalize().extrude(85)