Inspiration from bracket/plate coral Turbinaria mesenterina. Tracey’s Wonderland, Ribbon Reefs, Great Barrier Reef. Image by Richard Ling (Flickr) licenced under a Creative Commons licence [CC BY-SA 2.0] (http://creativecommons.org/licenses/by-sa/2.0), via Wikimedia Commons. https://commons.wikimedia.org/wiki/File:Turbinaria_mesenterina.jpg