Composite Link: 3_1 # 4_2_1
thingiverse
This composite link 31#_4_2_1 model showcases a tube with constant radius, tightened to demonstrate its structure. The thin version has a reduced tube size for clearer visibility of crossings while the thick version appears at full scale. Printing these requires less support material. Created by RidgeRunner software, downloadable at http://www.jasoncantarella.com/wordpress/software/ridgerunner/, it minimizes knot length while maintaining a tube around the knot. Different functions can yield alternative shapes for the model. Additional resources on tight knots are available at http://en.wikipedia.org/wiki/Ropelength, ropelength data at http://www.jasoncantarella.com/wordpress/papers/, and a movie of this composite link tightening can be viewed at http://www.jasoncantarella.com/movs.
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