Tightly packed colored particles move along a very long tightly packed loop that is crumpled up to fit into a square. The colors are a gradient that ranges between lights and darks as it cycles around the loop.
Roland boosted
Animation showing an interactive sketch with a prism that becomes a truncated pyramid, number of sides also varies, and under it the unfolded sides connected, with paper tabs for glue.
Animation showing an interactive sketch with a prism that becomes a truncated pyramid, number of sides also varies, and under it the unfolded sides connected, with paper tabs for glue.