There is now a native solution on Mac OSX to build papercrafts from 3d models: DunreebCutout

https://itunes.apple.com/app/dunreebcutout/id963592540


Quote Originally Posted by dunreeb View Post
Thread is older, but anyway: Dunreeb Cutout runs natively on MAC:

http://www.dunreeb.com

There's even a free demo version.

Have fun