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A bumped version of the Halper-Maier-Tetrahedron.
This puzzle came to life after a design request by Jared McComb. The inventor heard his plea and implemented this straightforward application of a today wellknown concept to create shape transformations.
The center of the axis system was moved away from the solids center without changing the orientation of the axis.
In 2021 a mass produced version "7-segment Pyraminx" hit the market. See images 6-8.
Material : ABS
Edge Length: 100 mm
Weight: 60 grams
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