Interesting interactive piece, via pingmag:

We already mentioned Philip Worthington’s “Shadow Monsters” in last weeks article, but thought we simply have to mention it once again, not only because we found this nice YouTube video explaining his work so well but simply because this processing installation is so addictive. People just spent hours in front of the projector watching their shadow turn into monsters making the funniest noises….

And I've been having loads of fun lately illustrating with an ancient version of Grypon Bricks - Lego meets CAD. Sadly, I don't think it's been updated since 1996.