How is it like to download a coffee table? Or at least a digital model of a coffee table that you could customize and then you just print it out. Mind it, it is not a picture of a coffee table but an actual, physical three-dimensional object that lives in your living room. Well, it is all possible. It is the world of 3D printing and it is going to change everything. It will redefine the way we think about innovation, design, manufacturing and distribution. Simply put, 3D printing is the process of making 3 dimensional, solid objects from a digital file. 3D printers bridge the gap between the digital and physical worlds. It uses very thin layers of plastic, which are as thin as a sheet of copy paper, to build an object from the bottom up. Unlike other forms of manufacturing where the excess is carved, cut or melted away, leaving a ton of waste. It creates a new item by adding only what is needed. And 3D printing isn’t limited to plastics. Already, you can print stuff to gla...