import cadquery as cq
w0=cq.Workplane('YZ',origin=(-41,0,0))
w1=cq.Workplane('YZ',origin=(-37,0,0))
r=w0.sketch().segment((-50,-34),(-45,-34)).segment((-44,-39)).segment((-12,-36)).arc((1,-40),(14,-34)).segment((50,-34)).segment((50,-7)).segment((45,-7)).segment((44,-2)).segment((22,-4)).arc((-7,40),(-31,-7)).segment((-50,-7)).close().assemble().push([(0,-20.5)]).rect(62,15,mode='s').finalize().extrude(83).union(w1.workplane(offset=-3/2).moveTo(16,-10).cylinder(3,9))