Crosswords for multidimensional aliens

Another terrific use for the Menger sponge. I can't believe this hasn't been thought of before.

 

(my apologies if this has generated offensive words in any language)

 

Other useful implementations include:

The 160,000 dice sponge.

The Rubik Menger Cube Sponge.

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Taken on July 21, 2008