In a program that has since ended, MakerBot has also pioneered crowd-sourced manufacturing. If you had some way of making the pulleys they needed, be it on a MakerBot or otherwise, they would pay you $2 per pulley. They would, in turn, sell those pulleys in the MakerBot kits they sold.<p>(<a href="http://blog.makerbot.com/2009/08/06/makerbot-is-pioneering-distributed-manufacturing-get-paid-to-make-parts-for-future-makerbots/" rel="nofollow">http://blog.makerbot.com/2009/08/06/makerbot-is-pioneering-d...</a>)