import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,48))
r=w0.sketch().push([(-50,-28)]).circle(50).push([(48.5,33)]).rect(17,36).push([(49,33)]).circle(4,mode='s').finalize().extrude(-97).union(w0.workplane(offset=-26/2).moveTo(67,45).cylinder(26,33))