The rest is mostly 3D printed, so with the right design, you can whip up a wave drive to suit whatever packaging requirements you might have.

It’s a small, cheap, but still relatively capable soldering robot built out of a 3D printer. This project is a solution to the development hell of the OpenScan project.

It sees the global market in 3D printers and related services growing to almost $11 billion by 2021 from $2 billion in 2012. Some technology evangelists say the spread of 3D printers will unleash a ...