Annie Perkins shares a lot of gorgeous math art on Twitter, but one tiling really caught my eye in [url=https://twitter.com/Anniekperkins/status/985164871997239296]this tweet[/url]. [br][br]Turns out it caught Martin Holtham's eye, too, and he did a brilliant [url=https://www.desmos.com/calculator/cbjzoy4pas]Desmos implementation[/url]. His animates!