import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,31,0))
r=w0.sketch().segment((-100,-6),(-64,-6)).segment((-64,-62)).segment((-60,-62)).segment((-60,-6)).segment((-19,-6)).segment((26,-76)).segment((100,-28)).segment((47,54)).segment((-17,13)).segment((-17,76)).segment((-100,76)).close().assemble().finalize().extrude(-63)