Comment by btbuildem
1 day ago
Before I watched the video, my brain ran ahead and I imagined it would be one of those led "fans", except also rotating around it's base. It might be harder to sync the two rotations, but you'd have much less mass in motion that way.
The solid state ones are cool! The real mystery there is how the pixel volume was manufactured -- it doesn't seem like something easily DIY'd
There are companies that laser-'etch' 3D images into glass. I guess it's not that hard to find one that accepts a list of xyz coordinates.