import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-47,0))
r=w0.sketch().push([(21.5,26)]).rect(47,148).push([(21,26)]).circle(6,mode='s').finalize().extrude(88).union(w0.sketch().segment((-70,-100),(40,-100)).segment((40,-84)).segment((70,-84)).segment((70,6)).segment((28,6)).segment((28,-29)).segment((-70,-29)).close().assemble().finalize().extrude(95))