import cadquery as cq
w0=cq.Workplane('ZX',origin=(0,59,0))
r=w0.sketch().arc((16,82),(23,94),(17,81)).segment((20,81)).segment((20,86)).segment((16,86)).close().assemble().finalize().extrude(-159).union(w0.sketch().segment((-30,34),(-23,-41)).segment((21,-23)).segment((23,-28)).segment((-23,-47)).segment((-19,-95)).segment((30,-91)).segment((19,38)).close().assemble().push([(-7,-1)]).circle(12,mode='s').finalize().extrude(-143)).union(w0.workplane(offset=41/2).moveTo(0,-28.5).box(12,31,41))