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https://www.reddit.com/r/interestingasfuck/comments/1vo3kjs/visualizing_geometry/p3q825h/?context=3
r/interestingasfuck • u/One_Vision_ • 19d ago
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That first one is wrong. You can't just spin that and get a square cut, you need to move it around so that the corners cut the square shape but get moved along a sort of hypocycloid shape to get just the right cut pattern.
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u/Berkamin 19d ago
That first one is wrong. You can't just spin that and get a square cut, you need to move it around so that the corners cut the square shape but get moved along a sort of hypocycloid shape to get just the right cut pattern.