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TobiWanKenobiStairs at the tetrahedron Bottrop. Treppenstufen am Tetraeder is Bottrop. <a href="https://pixelfed.social/discover/tags/tetrahedron?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetrahedron</a> <a href="https://pixelfed.social/discover/tags/tetraeder?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetraeder</a> <a href="https://pixelfed.social/discover/tags/bottrop?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#bottrop</a> <a href="https://pixelfed.social/discover/tags/sunrise?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#sunrise</a> <a href="https://pixelfed.social/discover/tags/photography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://pixelfed.social/discover/tags/ruhrgebiet?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ruhrgebiet</a> <a href="https://pixelfed.social/discover/tags/ruhrpott?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ruhrpott</a> <a href="https://pixelfed.social/discover/tags/sonnenaufgang?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#sonnenaufgang</a> <a href="https://pixelfed.social/discover/tags/fotografie?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#fotografie</a> <a href="https://pixelfed.social/discover/tags/stairs?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#stairs</a> <a href="https://pixelfed.social/discover/tags/treppen?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#treppen</a>

TobiWanKenobiSunrise at the tetrahedron Bottrop. Sonnenaufgang am Tetraeder is Bottrop. <a href="https://pixelfed.social/discover/tags/tetrahedron?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetrahedron</a> <a href="https://pixelfed.social/discover/tags/tetraeder?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetraeder</a> <a href="https://pixelfed.social/discover/tags/bottrop?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#bottrop</a> <a href="https://pixelfed.social/discover/tags/sunrise?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#sunrise</a> <a href="https://pixelfed.social/discover/tags/photography?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#photography</a> <a href="https://pixelfed.social/discover/tags/ruhrgebiet?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ruhrgebiet</a> <a href="https://pixelfed.social/discover/tags/ruhrpott?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#ruhrpott</a> <a href="https://pixelfed.social/discover/tags/sonnenaufgang?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#sonnenaufgang</a> <a href="https://pixelfed.social/discover/tags/fotografie?src=hash" class="u-url hashtag" rel="nofollow noopener noreferrer" target="_blank">#fotografie</a>

foldworksI tried to model these origami as transformation between cube and octahedron in Geogebra, but ended up with this instead <a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/animation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#animation</a> <a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#loop</a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geogebra</a> <a href="https://mathstodon.xyz/tags/tetrahedron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetrahedron</a> <a href="https://mathstodon.xyz/tags/3d" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3d</a>

foldworks<a href="https://mathstodon.xyz/@mrdk" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@mrdk</a> <a href="https://booping.synth.download/@unnick" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@unnick</a> Maybe looks better with the cube visible?<a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/animation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#animation</a> <a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#loop</a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geogebra</a> <a href="https://mathstodon.xyz/tags/cube" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#cube</a> <a href="https://mathstodon.xyz/tags/tetrahedron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetrahedron</a> <a href="https://mathstodon.xyz/tags/3d" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3d</a>

foldworks<a href="https://mathstodon.xyz/@mrdk" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@mrdk</a> <a href="https://booping.synth.download/@unnick" class="u-url mention" rel="nofollow noopener noreferrer" target="_blank">@unnick</a> I'm kind of surprised and not surprised about how the tetrahedron turned out. <a href="https://mathstodon.xyz/tags/MathArt" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#MathArt</a> <a href="https://mathstodon.xyz/tags/geometry" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geometry</a> <a href="https://mathstodon.xyz/tags/animation" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#animation</a> <a href="https://mathstodon.xyz/tags/loop" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#loop</a> <a href="https://mathstodon.xyz/tags/geogebra" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#geogebra</a> <a href="https://mathstodon.xyz/tags/tetrahedron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetrahedron</a> <a href="https://mathstodon.xyz/tags/3d" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#3d</a>

mc ☕> As easy as it is to make <a href="https://qoto.org/tags/triangles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#triangles</a> with <a href="https://qoto.org/tags/rational" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#rational</a> <a href="https://qoto.org/tags/angles" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#angles</a>, a similar problem in three dimensions proved so challenging that it took decades for the world’s best <a href="https://qoto.org/tags/mathematicians" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#mathematicians</a> to resolve. What makes this kind of problem so much harder one dimension up?<a href="https://qoto.org/tags/tetrahedron" class="mention hashtag" rel="nofollow noopener noreferrer" target="_blank">#tetrahedron</a>Why Triangles Are Easy and Tetrahedra Are Hard <a href="https://www.quantamagazine.org/triangles-are-easy-tetrahedra-are-hard-20220131/" rel="nofollow noopener noreferrer" target="_blank">https://www.quantamagazine.org/triangles-are-easy-tetrahedra-are-hard-20220131/</a>

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