Prime Knot: 8_9
thingiverse
This prime knot 8_9 model illustrates the minimal ropelength configuration within a constant-radius tube, attainable via RidgeRunner software. Reduced versions aid visibility at crossings, while thicker ones require less support material. To learn more about this topological knot, visit its Knot Atlas page, or explore tight knots on Wikipedia. Ropelength data can be found online, and view a movie of the knot tightening at specified links. RidgeRunner, available for free download, employs algorithms to achieve these models by minimizing knot length within the tube.
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