[rsiqueira]

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).

[doersino]

That's been done before with tixy.land, the project that inspired my tool:

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:

https://news.ycombinator.com/item?id=26978173