The Glowforge 3D Laser Printer [1] is way cool! Even though it uses the cloud [2] for just about everything, it's one way that Glowforge [3] has kept the price to the very low four digits instead of the five digits normal laser printers/cutters apparently go for. And here's an interview [4] with the head of Glowforge about the device.
[1] https://www.youtube.com/watch?v=ysCaqh38JVQ
[4] http://www.tested.com/tech/548192-going-depth-glowforge-laser-cutter/