import cadquery as cq
w0=cq.Workplane('XY',origin=(0,0,-34))
r=w0.sketch().segment((-67,-28),(-67,14)).segment((-46,14)).arc((-97,13),(-67,-28)).assemble().finalize().extrude(28).union(w0.sketch().push([(59,-8)]).rect(82,14).push([(59,-8.5)]).rect(12,9,mode='s').push([(76,-6)]).circle(2,mode='s').finalize().extrude(67))