Printrbot has released its open source powered long board, which is available now fully assembled for $599. Featured most recently on All-American Makers, the board weighs 15 lbs. and is 42 x 10 x 6 in. You can also access everything you need to make one yourself, and the board is said to go up to 12 mph depending upon the size of its rider. if you are a skateboarding and 3D printing enthusiast, or are just plain sick of powering your board with your lower extremities, then you should check out the long board of the future -- available now. Read more at 3DPrint.com: http://3dprint.com/122723/printrbot-...ted-openskate/