Ooh, this is nice, mesmerizing and educational. From the thumbnail view, I initially thought it was a minimalist abstract gif (honestly bet it'd still read beautifully at a tiny scale, like a mini animated icon, minus the text of course). Are they 3D printed?

Thanks for checking it out! Yeah, they are 3D printed! They're actually for use with the Nintendo LABO Toy-Con Piano, which uses a Joy-Con controller's IR camera to scan in waveforms and turn them into playable instruments!

Here's a little blog post about it I made (a few years ago now, at this point): https://hunterirving.com/blog/2018/labo