/r/GeometryIsNeat: Geometry is Neat - r/geometryisneat - A place where you can post neat pictures of geometry. It can be anything geometric or aesthetically pleasing! - December 18, 2021 - 09:04
/r/perfectloops: perfectL∞ps - A collection of Perfectly Looped animated .gifs and html5 videos. - December 18, 2021 - 09:01