import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,-35,0))
r=w0.sketch().segment((-66,-89),(-46,-89)).arc((0,-100),(46,-89)).segment((66,-89)).segment((66,-76)).arc((100,0),(66,76)).segment((66,89)).segment((46,89)).arc((0,100),(-46,89)).segment((-66,89)).segment((-66,76)).arc((-100,0),(-66,-76)).close().assemble().reset().face(w0.sketch().segment((-33,9),(22,-26)).segment((33,-9)).segment((-22,26)).close().assemble(),mode='s').finalize().extrude(71)