Open source. Watch this grown. No pun inteded!
check out this artists work. The avatar sculpts in zbrush http://www.zbrushcentral.com/showthread.php?t=079195 I was on the zbrush web site and found this. So cool to look at. I especially like seeing the people reference!
A wonderful link for MCOR. MCOR is a Swiss company who has created a 3d printer that will print in paper. For those who know about 3d printing the cost of the materials going through the printer is a great expense. But in the case of paper, that is not as expensive.