import cadquery as cq
w0=cq.Workplane('YZ',origin=(-12,0,0))
w1=cq.Workplane('YZ',origin=(-26,0,0))
r=w0.sketch().segment((16,-66),(29,-66)).arc((55,-77),(80,-66)).segment((100,-66)).segment((100,12)).segment((16,12)).close().assemble().finalize().extrude(-43).union(w0.workplane(offset=19/2).moveTo(-16.5,10).box(83,22,19)).union(w0.sketch().segment((2,17),(14,21)).segment((12,27)).segment((2,23)).close().assemble().finalize().extrude(67)).union(w1.sketch().segment((-100,23),(-99,23)).segment((-99,20)).segment((-80,20)).arc((-40,42),(-48,-3)).arc((13,-7),(-21,44)).segment((-21,75)).segment((-22,75)).segment((-22,77)).segment((-99,77)).segment((-99,75)).segment((-100,75)).close().assemble().push([(-86,28)]).circle(1,mode='s').finalize().extrude(22))