Multi-axis Electric Stepper Motor

This video demonstrates a 3-axis "MultiMotor" with singular stator and three concentric rotors, driven by a total of seven wires. It accompanies the following paper:
V. Groenhuis, G. Rolff, K. Bosman, L. Abelmann, S. Stramigioli, "Multi-Axis Electric Stepper Motor". IEEE Robotics and Automation Letters, July 2021.
Link: ieeexplore.ieee.org/document/... and research.utwente.nl/en/public...
Author copy PDF (green open access): research.utwente.nl/files/256...

[@andrewbeder51]

Yes... just... yes. Make these, someone, please. Absolutely awesome!

[@googleyoutubechannel8554]

So good, why is this not commercialized?

[@ds-k7878]

이거 디게 간단한 원리임. 0:06 선이 많은걸 보면서 대부분 금방 눈치 챗을거임.

[@Shintarobrl]

I've been looking for things like this for a long time, where can I find them? how much for some of them?

[@one1moreform]

Is this video speeded up