Sisyphus tables create shifting mathematical sand patterns

A metal ball, a plate of sand, and a little math is all it takes for a Sisyphus table to create hours of automated patterns.

Here's a clip from the manufacturer:

Fans post their creations online:

Here's the Sisyphus Industries website with more on the specs.

Owner Mike Heck even did this lovely RBG tribute.

Image: YouTube / My Sisyphus Table