# - stack (pyTree) - import Generator.PyTree as G import Converter.PyTree as C import Transform.PyTree as T a = G.cylinder((0,0,0), 1, 1.3, 360, 0, 1., (50,10,1)) b = T.rotate(a, (0,0,0), (1,0,0), 5.) b = T.translate(b, (0,0,0.5)) c = G.stack(a, b) C.convertPyTree2File(c, 'out.cgns')