import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,99,0))
r=w0.sketch().segment((-52,28),(-42,26)).segment((-42,-100)).segment((52,-100)).segment((52,100)).segment((-42,100)).segment((-42,61)).segment((-47,62)).close().assemble().finalize().extrude(-199)