PyMOL 004: Illustrating a periodic system

I have enclosed the structure inside a rectangular box. Now I would like to translate it in order to generate the image of a periodic plane.

Using the supercell.py script on the PyMOL wiki, the following figure was generated. The command was

supercell 40,4,1, withmates=1

at the PyMOL prompt.

How can I have little boxes around all proteins?

After aligning all proteins on the surface, the output is the following.