import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-41,0))
r=w0.sketch().segment((-100,-47),(-4,-47)).segment((-4,6)).arc((25,74),(-48,73)).segment((-100,73)).close().assemble().push([(-64,14)]).circle(7,mode='s').push([(50,-43)]).circle(50).rect(54,28,mode='s').finalize().extrude(82)