Funny, I have been playing with something similar tonight. There is a plugin called Qhull. You might find this interesting to generate random cell structure.
http://forums.sketchucation.com/viewtopic.php?f=323&t=19040&hilit=qhull
I tried to combine Qhulls' Voronoi with Lattice Maker and Artisan. It got kind of messy, but at least it looks organic.
[image: BAq7_vo.png]
[image: ngjw_x7.jpg]