import cadquery as cq
w0=cq.Workplane('YZ',origin=(65,0,0))
r=w0.sketch().arc((-63,-4),(-44,-47),(-2,-67)).segment((-2,-100)).segment((11,-100)).segment((11,-67)).arc((65,-29),(61,37)).arc((44,73),(11,93)).segment((11,100)).segment((-2,100)).segment((-2,95)).arc((-62,64),(-63,-4)).assemble().push([(4.5,0)]).rect(127,14,mode='s').finalize().extrude(-130)