import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-7))
w1=cq.Workplane('XY',origin=(0,0,-12))
r=w0.sketch().segment((-20,-33),(-8,-14)).segment((10,-26)).arc((11,-19),(9,-12)).segment((9,-15)).segment((6,-15)).segment((6,-7)).arc((-21,-7),(-20,-33)).assemble().finalize().extrude(-43).union(w0.sketch().segment((11,16),(26,16)).segment((26,32)).segment((24,32)).arc((6,36),(11,18)).close().assemble().finalize().extrude(38)).union(w0.workplane(offset=57/2).moveTo(-13,-10).cylinder(57,8)).union(w1.sketch().push([(-7.5,-20)]).rect(11,38).push([(-9,-17)]).circle(3,mode='s').finalize().extrude(59))