import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,5))
r=w0.sketch().segment((-79,43),(-75,40)).segment((-75,20)).segment((-48,20)).segment((-35,10)).segment((-27,20)).segment((2,20)).segment((2,49)).arc((13,90),(-28,90)).segment((-38,97)).segment((-42,92)).arc((-49,91),(-56,87)).segment((-75,87)).segment((-75,48)).close().assemble().finalize().extrude(-10).union(w0.workplane(offset=-10/2).moveTo(59.5,-72.5).box(39,55,10))