Prime Link: 7_2_7

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This intricate 7_2_7 prime link model, tied within a constant-radius tube, depicts tightened versions with varying thicknesses. The thinner version emphasizes crossings, while the thicker one reduces support material needs. For further insights into this knot, visit its Knot Atlas page (http://katlas.math.toronto.edu/wiki/L7n1). RidgeRunner software, accessible at http://www.jasoncantarella.com/wordpress/software/ridgerunner/, creates such shapes through a numerical algorithm minimizing knot length within the tube constraint. This 7_2_7 configuration is just one possibility; alternate function minimization would result in distinct models. To visually comprehend this knot's tightening process, explore http://www.jasoncantarella.com/movs.