import cadquery as cq
w0=cq.Workplane('YZ',origin=(59,0,0))
r=w0.sketch().segment((-82,-74),(-56,-74)).arc((-20,-100),(15,-74)).segment((41,-74)).segment((41,-51)).segment((15,-51)).arc((11,-42),(4,-34)).segment((82,-34)).segment((82,100)).segment((63,100)).segment((65,99)).segment((64,97)).segment((61,99)).segment((62,100)).segment((-73,100)).segment((-73,-34)).segment((-45,-34)).arc((-51,-42),(-56,-51)).segment((-82,-51)).close().assemble().finalize().extrude(-119).union(w0.workplane(offset=-106/2).moveTo(-49.5,-86).box(39,2,106))