File:Figure8knot-rose-limacon-curve.png

Decorative knot with four crossings, depicted in symmetrical form. 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=(2/3) and b=2.

Self-made, declared to be in public domain, generated from the following PostScript source code:

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