Pixar have released OpenSubDiv, one of their internal tools as an Open Source project.
http://graphics.pixar.com/opensubdiv
You can see how it performs on this video: http://www.youtube.com/watch?v=Y-3L9BOTEtw Pretty cool stuff.

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10 PRINT "Bad Monkey ";
20 GOTO 10

that is really cool :eek :geek I really like the reason they gave to make it open source, to advance the industry, instead of being greedy :thumbs

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It's not truly yours, until you void the warranty.
Most of my problems: "I can fix that! ... oops".