import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,9))
r=w0.sketch().push([(44.5,-31.5)]).rect(11,27).push([(42,-35)]).circle(2,mode='s').finalize().extrude(-34).union(w0.sketch().segment((-50,6),(-48,-2)).segment((-17,4)).segment((-19,12)).close().assemble().push([(6,5.5)]).rect(14,21).rect(2,5,mode='s').push([(25,40.5)]).rect(18,9).push([(31,-27.5)]).rect(20,33).push([(31,-28)]).circle(6,mode='s').finalize().extrude(16))