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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 03:44, 20 February 2010 | 620 × 600 (50 KB) | AnonMoos | Decorative knot with twelve crossings, depicted with three-fold visual symmetry. The curves were generated from the polar coordinates equation r=b+sin(aθ), which is a slight generalization of the Limaçon and Rose/rhodonea curves, using parameters a=(3/ |
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