Quote Originally Posted by JohnA136 View Post
You have to realize that MakerBot is now a part of Stratasys and they have always used proprietary Filament cartridges. Their cartridges are chipped so you are stuck buying from them. They claim they do this so they can control the quality of the material.
That is not true. Well, not for the Makerbot 3D Printers, if that what you ment.

For their big toys, it's probably true