Over the last few decades, it has been making waves in many industries around the world. This describes the creation of an object by adding material to the object layer by layer. Throughout its history, additive manufacturing has gone by various names, inlcuding stereolithography, 3D layering, and 3D printing, but 3D printing is the best-known. So how do 3D printers work? The process of 3D printing begins by making a graphic model of the object to be printed.