def makecoupler(): thecube = Cube() thecube.ecolor = "Green" thecube.vcolor = "Silver" thecube.showfaces = False thecoupler = Coupler() thecoupler.ecolor = "Orange" thecoupler.vcolor = "Silver" thecoupler.fcolor = "Wood" output = Scene('test0.x3d') output.objects.append(thecube) output.objects.append(thecoupler) output.write()