ZMorph - A multi-fab 3D printer that enables fast product prototyping
Obsidian 3D Printer - The $99 3D printer
AstroPrint - Slice, Store, and Print your 3D files from any web enabled device.
Form 2 - The most advanced desktop 3d printer ever created
Ultimaker 2+ - 3D Printer of your dreams
3D Hubs - Airbnb for 3D printing