The concept of
3D printing is a relatively new concept in print technology. Although this concept started to take shape much earlier, the actual term of
3D printing was heard for the first time in 2010. The process involves using 3 axis namely the x, y and z as opposed to only x and y in a conventional 2D printing. Generally
3D printers are being used for printing out mechanical plastic parts commonly for commercial as well as recreational use...
http://3dexport.com/3dtuts/articles/3d-printed-food-the-future-of-cooking/