import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-18,0))
r=w0.sketch().segment((-18,24),(10,24)).segment((14,14)).segment((36,24)).segment((45,24)).arc((49,23),(53,24)).segment((79,24)).segment((79,43)).segment((92,43)).segment((92,49)).segment((100,52)).segment((84,88)).segment((76,85)).segment((-18,85)).close().assemble().finalize().extrude(-28).union(w0.workplane(offset=65/2).moveTo(-58.5,-41.5).box(83,93,65))