ProvoCraft seems to be operating on a razor & blades model, and aggressively suing anyone who tries to provide another source for getting 'blades'.

http://www.scrapbookupdate.com/2010/04/07/provo-craft-sues-m... http://www.scrapbookupdate.com/2011/03/11/provo-craft-sues-s...

MakerBot, on the other hand, publishes the plans for their hardware so anyone can build it, and maintains thingiverse.com so anyone can design anything they want to print.

I understand why the editor wants to draw a connection, but there are some significant differences in the two businesses' philosophies.