import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,19,0))
r=w0.workplane(offset=-46/2).moveTo(-13,-8).box(22,32,46).union(w0.sketch().segment((16,34),(18,30)).segment((50,44)).segment((39,45)).close().assemble().finalize().extrude(-35)).union(w0.workplane(offset=8/2).moveTo(-13,-8).cylinder(8,37))