3 ms·
Seems like you can https://origamiusa.org/thefold/article/diagrams-one-cut-heptagon-square https://origamiusa.org/thefold/article/diagrams-one-cut-hept... The
by avhon1 1y ago
Seems like you can
https://origamiusa.org/thefold/article/diagrams-one-cut-heptagon-square https://origamiusa.org/thefold/article/diagrams-one-cut-hept...
The one cut is to remove the perimeter of the square that lies outside the heptagon. Without the cut, you could make a crease, and fold the excess behind the heptagon.
- Terr_ 1y agoMy reading is that it's a convenient near-7 approximation someone developed, like using 22/7 for pi. Certainly good enough for practical handheld construction purposes, but not geometric-proof-y stuff.
- srean 1y agoCheckout Scimemi, Draw of a regular heptagon by folding. Proceedings of the 1st International Meeting of Origami Science and Technology. 1989 Simultaneous folding is mathematically a strictly more powerful primitive. Are you familiar with Lill's method of finding real roots of polynomials of any degree ? Simultaneous folds are a realization of the same idea https://en.m.wikipedia.org/wiki/Lill%27s_method#Finding_roots_using_paper_folding https://en.m.wikipedia.org/wiki/Lill%27s_method#Finding_root...