import cadquery as cq
w0=cq.Workplane('YZ',origin=(25,0,0))
r=w0.sketch().push([(-89,-28.5)]).rect(22,55).push([(-89,-28)]).circle(11,mode='s').finalize().extrude(-50).union(w0.sketch().arc((98,47),(100,51),(98,56)).segment((98,54)).segment((99,54)).segment((98,51)).close().assemble().finalize().extrude(-17))