import cadquery as cq
w0=cq.Workplane('YZ',origin=(17,0,0))
r=w0.sketch().segment((-11,-32),(38,-32)).segment((38,-11)).segment((50,-6)).segment((37,27)).segment((37,22)).segment((22,22)).segment((9,17)).segment((12,9)).segment((-11,9)).close().assemble().finalize().extrude(-34).union(w0.sketch().segment((-50,-26),(-17,-26)).segment((-17,12)).arc((8,21),(-19,18)).segment((-50,18)).close().assemble().finalize().extrude(-17))