Novices have multiple thoughts when it comes to 3D printers. Most of them believe that all 3D printers have filaments. To them, the terms SLS, Stereolithography and even FDM, are a bit confusing. There are so many new technologies and upgrade materials used in the making of a 3D printer. Before getting your hands on any one for covering official use, it is highly requested that you get to learn more about the printing technologies first.