It's a puzzle.
It's a drink-coaster.
It's ambient lightning.
It's a party game.
Finally published the #3dmodel of the Drink-Randomizer I built for #realraum's 18y party. 😃
Of course, #freecad file is included.
https://www.printables.com/model/1303656
The model is _also_ available on the Fediverse: