Overhand Knot in Paper-folding
If a flat ribbon or strip is tightly folded into a flattened overhand knot, it assumes a regular pentagonal shape.
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Famous quotes containing the word knot:
“I love him who does not want to have too many virtues. One virtue is more virtue than two, since it is more knot on which to hang the rope that is destined to hang him.”
—Friedrich Nietzsche (1844–1900)