Made entirely from 3D-printed components, the prototype excavator demonstrates new, large-scale 3D-printing processes, including new technology for printing metals. IMAGE COURTESY IFPE ...

While this is fun, it is the combination of 3D printing and Arduino that may bring about the next wave of homegrown innovation. For example, people are combining the two and building their own ...

True to the DIY ethos, an Arduino-based RC system is used to drive the steering servo and motor speed controller, with a home-built pistol-grip controller.