Bend-based 3D-printed frictionless gear mechanism for precise rotation

https://techxplore.com/news/2023-07-3d-printed-bend-based-frictionless-gear-mechanism.html

"stainless steel, enable precise rotation satellite thrusters, sensors, telescope lenses and mirrors... 24 bendable blades, 16 interlocking, reduce turning force 10X... less wear and tear"