Ah, this reminds me — for a very long time there was a page called “The Sierpinski Triangle Page to End Most Sierpinski Triangle Pages” - which was a stunning tour de force, it seemingly went forever, covering every possible way to create, consider, discover, unveil or rediscover the Sierpinski triangle (and its many, many variants)<p>It was here:<p><a href="https://www.oftenpaper.net/sierpinski.htm" rel="nofollow noreferrer">https://www.oftenpaper.net/sierpinski.htm</a><p>Recently - in an internet mystery to end most internet mysteries - the page has gone off line.<p>I don’t know how to contact the author to provide assistance, care, anything that is needed.<p>There are copies in the archive.org - though I’m not sure the embedded code demo will work there.<p><a href="https://web.archive.org/web/20230317130700/https://www.oftenpaper.net/sierpinski.htm" rel="nofollow noreferrer">https://web.archive.org/web/20230317130700/https://www.often...</a>