import numpy as np

from ase import Atoms

images = [
    Atoms(symbols='Al4',
          pbc=np.array([True, True, True]),
          cell=np.array(
              [[4.03390000, 0.00000000, 0.00000000],
               [0.00000000, 4.03390000, 0.00000000],
               [0.00000000, 0.00000000, 4.03390000]]),
          positions=np.array(
              [[0.00000000, 0.00000000, 0.00000000],
               [0.00000000, 2.01695000, 2.01695000],
               [2.01695000, 0.00000000, 2.01695000],
               [2.01695000, 2.01695000, 0.00000000]])),
]