Aside from the worry of being able to 3D print fake consumer products, mass-produced industrial parts are also counterfeited quite frequently. Products like fake screws, bolts, fittings and individual components are a huge business, and many of the parts that are used to build our homes, businesses, vehicles and personal electronics use mass-produced components that manufacturers simply purchase in extremely large quantities. And all of those parts are held to very strict manufacturing guidelines that dictate how they can be used, what their maximum stress tolerances are and how they can be expected to perform. The industry needs to develop methods to detect counterfeit 3D printed parts and tell them apart from the real thing. You can read more over on 3DPrint.com: http://3dprint.com/117613/combat-counterfeiting-am/