Prusa Filament Box Plug

It's a plug for the Prusa Filament Box so you can use it once you have used all the filament.  You can use the blank plug to add words.  I made this in Tinkercad so you can use it to add words.

You can find the beads and addons here:

Pendants 
https://www.prusaprinters.org/prints/87104-pendants
 

LGBTIQA+ Beads and Rainbow Flag Pendant 
https://www.prusaprinters.org/social/4721-spud01au/prints

Beads & Prusa Filament Box Plug
https://www.prusaprinters.org/prints/87103-beads-prusa-filament-box-plug