The magical ring of tetrahedra
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To make the magic ring of tetrahedra:
\- Cut out the two models along the outer red line.
\- Fold along the thick dotted lines (“valley folds”).
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The magic ring of tetrahedra | Tangente
The magic ring of tetrahedra
Instructions for constructing the ring of tetrahedra that you can cut out from the detachable booklet of Tangente 200. An explanation of why the numbers are written on each of the forty faces, according to a rule that generalizes the notion of a magic square.
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