z corporation develops, manufactures, and markets the worlds fastest 3d printers - machines that produce physical prototypes quickly, easily, and inexpensively from computer-aided design (cad) and other digital data. z corp.s 3d printers are used by companies to make prototypes ranging from toys for market feedback to fan blades for functional testing. in the same way that conventional desktop printers provide computer users with a paper output of their documents, 3d printers provide 3d cad users a physical prototype of real world objects such as a mobile phone, an engine manifold, or a camera.