import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,5))
r=w0.sketch().arc((9,-34),(9,-36),(10,-37)).segment((10,-46)).segment((38,-46)).segment((38,-40)).arc((30,-1),(9,-34)).assemble().push([(26,-22)]).circle(8,mode='s').finalize().extrude(-55).union(w0.sketch().segment((-48,-8),(-41,-8)).segment((-40,3)).segment((-25,1)).segment((-27,-9)).arc((-26,-9),(-26,-8)).segment((-14,-8)).segment((-14,46)).segment((-48,46)).close().assemble().push([(-31,34)]).circle(9,mode='s').finalize().extrude(45))