import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,61,0))
w1=cq.Workplane('ZX',origin=(0,100,0))
r=w0.sketch().segment((1,14),(2,-14)).segment((61,-14)).segment((61,14)).close().assemble().finalize().extrude(-161).union(w1.workplane(offset=-2/2).moveTo(-58.5,0).box(5,186,2))