import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-19,0))
w1=cq.Workplane('YZ',origin=(-3,0,0))
r=w0.sketch().segment((-35,0),(-28,-50)).segment((48,-39)).segment((41,11)).close().assemble().push([(-23,-44)]).rect(6,6,mode='s').push([(7,-20)]).circle(12,mode='s').finalize().extrude(39).union(w1.sketch().segment((-15,-48),(0,-48)).segment((0,6)).segment((-5,6)).segment((-5,1)).segment((-11,1)).segment((-11,6)).segment((-15,6)).close().assemble().finalize().extrude(53))