Realizing that it’s essentially a cycloidal drive meshed with a planetary gear set, he got to work in CAD and, in seemingly no time, had a design to test. You can see the full results of his ...

The gear ratios allow you to apply more torque without needing a long handle. As you may have guessed, the internal arrangement is a planetary gear drive. You might consider if you want to print ...

The most basic configuration of this is a set of two fixed gears which rotate at a set speed, though many adopt more complex mechanisms, such as the epicyclic planetary gearbox featured in the ...

At Alexey Volegov's hands a rotating metal planetary chevron gear, a non-separable system that can only be obtained by 3D printing. Printed at UrFU laboratory. Disclaimer: AAAS and EurekAlert!