Found this pretty cool

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Wow, that's amazing!!!! It's going to put us programmers on the unemployment line! :)

Probably end up as cost effective as my printer. $15000 for the machine & $15000 to fill it with plastic. Still a wild idea. The water soluble "bridges" to make the gears functional seems pretty innovative. If they could figure out how use powdered metal or some type of welding of layers it may even be able to make something more "useful".

How about a DIY model? :)
http://www.poptech.com/popcasts/popcasts.aspx?lang=&viewcastid=154

Pretty interesting. Well, after the first 12 minutes. :wee:
Little too much babbling for a me. Guess I'm a "simple jack"