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Tetrahedron in an Icosahedron
Tetra in Icosa 9688 Med .jpg
Tetrahedron (Geomag Pro, scale 3)
inside an Icosahedron (Geomag Kids, scale 1)
Type Category:Intersecting Structure
Rods 0 × Geomag rod icon.gif
Spheres 0 × Geomag ball icon.gif
Author PolyClare 3:08, 01 February 2010


I recently purchased some of the new Geomag Kids pieces, and was fooling around with them. One thing I found is that the large holes in the Geomag Kids panels can allow for some interesting combinations of constructions. This one illustrates the mathematical idea that a tetrahedron can connect the centers of four faces of an icosahedron. I found that a tetrahedron made from (classic) Geomag Pro rods (scale 3) would just poke through the openings in the large panels of an icosahedron made from Geomag Kids rods.

Tetra in Icosa 9688 Med .jpg
Original construction
Tetra in Icosa OPEN 9696 Med .jpg
Non-participating panels removed
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