There can be a real-life 2D version of this: it probably can be integrated to an Arduino project using a LED 8x8 Red Dot Matrix Display (piece code MAX7219).
https://twitter.com/atesgoral/status/1325947885817565185
https://twitter.com/aemkei/status/1325888127102226432
3D LED cubes are also a thing, as another commenter in this thread noted: