Summary

Fix the 50 mm long square bar with tapping screws. This is because the stroke of the micro switch is unknown.

Eyes are printed with filaments of different colors and fitted.

Design details:
https://twitter.com/imaicom/status/1291861573317754880

https://youtu.be/_ZtgRjbLg_Q

https://denshiman.com/skull.html
https://denshiman.com/toy.html
https://denshiman.com/robot.html