toio core cube 3-axis mechanism

3-axis (pitch roll yaw) mechanism by 2 toio core cubes.
It works as graphig's head movement.

graphig
https://www.cospa.com/staticdoc/p/graphig_papertoy
https://ncempire.net/download

toio
https://toio.io/

To assemble this mechanism, you need following things.
3 M3 6mm screws
a M3 40mm screw
a M3 nut
a rubber band