import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,19,0))
w1=cq.Workplane('YZ',origin=(-17,0,0))
r=w0.workplane(offset=66/2).moveTo(26,72).cylinder(66,28).union(w1.sketch().segment((-85,-54),(-79,-54)).arc((-82,-52),(-85,-54)).assemble().finalize().extrude(-83))