Impossible Neo shape
This article called Impossible Neo shape shows models and techniques. It features a perfect 3D triangle, well, pyramid, so, if you are out of inspiration or have Just bought your Neocube, or Nanodots, or Buckyballs or Zen Magnets, or Eurocube or TetraMag set and are bored with just clicking them then you need this video!
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This is a non commercial End User video
The author says:
Ok, for those of you who love to play with sphere magnets, here is a true challenge for you. Try making a perfect 3D triangle. I have built lots of Neo shapes over the years and this is the most difficult. Most of it is easy, but the edges and end spheres are *almost* impossible.