What Is 3d Printing? 

3D printing in its simplest form is a process of manufacturing that involves layering material to form a 3D object. This is an additive method and is different from subtractive processes, in which materials are cut, drilled or milled. 3D printers are compatible with a variety materials, such as metal or plastic. (See "How can 3D printing function?"). below) They all have the capability of turning digital files that contain three-dimensional information--whether made using a computer-aided design (CAD) or computer-aided manufacturing (CAM) software or even from a 3D scanner into physical objects. https://pick3dprinter.com/products-ideas-to-3d-print/