import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,56))
r=w0.sketch().segment((-100,-69),(-66,-69)).segment((-66,10)).segment((-73,10)).segment((-47,79)).arc((-76,49),(-89,10)).segment((-100,10)).close().assemble().push([(-83,-30)]).circle(13,mode='s').reset().face(w0.sketch().segment((-40,-97),(-18,-97)).segment((-40,-89)).close().assemble()).reset().face(w0.sketch().segment((29,97),(50,89)).segment((50,97)).close().assemble()).reset().face(w0.sketch().arc((58,-79),(94,-33),(96,26)).close().assemble()).finalize().extrude(-112)