Jean-Baptiste Etienne<p>Menger’s sponge walk .</p><p><a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>loop</span></a> <a href="https://mathstodon.xyz/tags/fractal" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fractal</span></a> <a href="https://mathstodon.xyz/tags/menger" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>menger</span></a> <a href="https://mathstodon.xyz/tags/sierpinski" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>sierpinski</span></a> <a href="https://mathstodon.xyz/tags/fun" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>fun</span></a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#<span>geogebra</span></a></p>