Good news! Printrbot simple metal is now matched with Shapetizer streamprint service! Let us know how to make you a little more happier with your printer. We are here to listen! http://www.shapetizer.com
what the heck is that ?
One of these random sites trrying to sell 3D models that you have already seen elsewhere for free.
They also have a section “device compatibility” for each model that makes little or no sense.