import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,53))
r=w0.sketch().push([(-21.5,-21.5)]).rect(125,51).push([(-21,-22)]).circle(6,mode='s').push([(86,-47)]).circle(14).finalize().extrude(-107).union(w0.sketch().push([(-43,4)]).circle(13).push([(-43,4.5)]).rect(20,5,mode='s').finalize().extrude(-86)).union(w0.workplane(offset=-59/2).moveTo(-43,4).cylinder(59,57))