I'm sure you've seen variations on this theme before, the internal anatomy of various cartoon characters and toys, many of which were done by the artist behind this cool LEGO man anatomy sculpt, Jason Freeny.
But what makes this article really cool is that it shows Jason's entire process, so all you artists and DIYers get ready to take note!
http://web.mac.com/moistproduction/flash/index.html --via Geekologie