This miniature, high-precision assembly started with a CAD model and not much more. It cost about $10 to make it at home – with no 3D printer required.In the past couple of years, the concept of low-cost 3D printing has captured the hearts and minds of millions of geeks. The allure of an upcoming manufacturing revolution has seeped into the mainstream, too: take The Economist, which ran about two dozen articles about this technology within the last year alone. Something must be in the air! The charm of 3D printing is easy to understand, especially as it coincides with the...
