It is a little early to be thinking about your next Christmas list, but when the gift-giving season draws closer, a great present to ask for is a 3D printer. A 3D printer is not a typical gift most people might think to ask for or even know about, so in case you are unfamiliar with what it is, here is a quick summary. According to 3DPrinting, a 3D printer is a form of additive manufacturing which makes three dimensional objects by layering thin, successive sheets of material, usually a type of plastic, until the object is created. Before I cover the reasons you should have a 3D printe...