Parts

Optitrack: https://optitrack.com/

Stewart Platform: https://www.robotdigg.com/product/1500/Hobby-6-DOF-Stewart-Platform-educational-Hexapod

Linear Rail: https://vxb.com/products/100mm-stroke-cnc-linear-stage-motion-actuator-x-y-z-axis-linear-slide-rail-aluminum-alloy-cross-sliding-table-linear-rail-guide-sfu1605-ballscrew-nema23-57-stepper-motor-for-cnc?variant=43823598567659

NDI Aurora Sensor: https://www.ndigital.com/electromagnetic-tracking-technology/aurora/aurora-sensors/

ATI Mini45:  https://www.ati-ia.com/products/ft/ft_models.aspx?id=mini45

Testbed: UC San Diego Makerspace https://makerspace.ucsd.edu/

Key Grinding: Delson's Lab https://jacobsschool.ucsd.edu/node/3294