Here are 6 great videos of what people are doing with 3D printing. I never understood how the could make things with movable parts in one printing until I saw the video of the adjustable wrench.
Joe Kennedy
Joe Kennedy has worked as an attorney and economist on a large variety of issues related to the relationship between public policy and the private sector, including economic growth and technology. Among his past positions are Chief Economist of the U.S. Department of Commerce and General Counsel of the U.S. Senate Permanent Subcommittee on Investigations. He is the author of Ending Poverty (Rowman Littlefield, 2008).
Author of Ending Poverty
Law, Economics, and Technology
Law, Economics, and Technology 