Robuta

https://www.nist.gov/publications/stiffness-modeling-stewart-platform-based-milling-machine
Robotics & Intelligent Systems
stewart platformmilling machinestiffnessmodelingbased
https://www.instructables.com/Controlling-a-Stewart-Platform/
Controlling a Stewart Platform: The Stewart Platform (aka octahedral hexapod) has been around since the fifties. Since that time people have been reinventing...
stewart platformcontrollinginstructables