import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,6))
r=w0.sketch().segment((23,-33),(31,-35)).segment((44,-1)).segment((36,2)).close().assemble().finalize().extrude(-56).union(w0.workplane(offset=44/2).moveTo(-16,32.5).box(56,5,44))