I drew this manually in Windows Paintbrush, mostly by copy-and-drag.


I’ve named it “superknot”, but actually the shape it represents is a topological loop.

It’s a fractal generated in an L-system-like manner, replacing corners and unit edge pieces at each iteration with corresponding schematic drawings of a segment of tangled string that fills a unit square.

Feel free to use for any purpose.

You are welcome to add your thoughts.

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