import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-28,0))
r=w0.sketch().rect(96,28).push([(33,0)]).circle(11,mode='s').finalize().extrude(30).union(w0.sketch().segment((-45,23),(-9,-50)).segment((45,-23)).segment((39,-11)).arc((30,-16),(22,-9)).segment((19,-9)).segment((19,-5)).segment((22,-5)).arc((27,2),(33,3)).segment((9,50)).close().assemble().finalize().extrude(56))