Summary

This is a moiré pattern generator. I also uploaded a step file, so you can easily modify everything you want. Check my instagram for demo video.

Additional parts needed:
-about 100 steel balls 6mm
-2x m3x20 screw
-2x m3x25 screw
-4x m3 heat inserts
-yellow plastic gear motor
-old usb cable or other 3-6v source
-soldering iron
-m8 aluminium profile, screw and nut for mounting

//Update
-Stl files of individually parts updated