Amazing stuff! And origami is not unrelated to (hexa)flexagons, which are a perennial HN favorite and also a math/physics fascination (https://en.wikipedia.org

Amazing stuff! And origami is not unrelated to (hexa)flexagons, which are a perennial HN favorite and also a math/physics fascination (https://en.wikipedia.org/wiki/Flexagon#Discovery_and_introduction_of_the_hexaflexagon https://en.wikipedia.org/wiki/Flexagon#Discovery_and_introdu...)