import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-94))
r=w0.sketch().segment((-5,-100),(5,-100)).segment((5,-10)).arc((0,-11),(-5,-10)).close().assemble().reset().face(w0.sketch().arc((-5,10),(0,11),(5,10)).segment((5,100)).segment((-5,100)).close().assemble()).finalize().extrude(188)