September 3, 2011
Description
A friend who is into puzzles pointed me at this 3D puzzle http://www.cs.tau.ac.il/~efif/applications/puzzles/knot/ so I whipped it up in a few minutes in OpenSCAD.
If you get stuck, there is an animation showing the solution at http://www.youtube.com/watch?v=xNtNQRTdxps
License:
Creative Commons - Attribution - Share Alike
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