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A tetrahedron designed to have only edge pieces, like the Dino Cube.
This is one of a series of three Dino-like puzzles Tom van der Zanden designed in 2009. Geert Hellings printed and stickered them.
There is also "Jewel Tetrahedron" which is a version with inverted shape.
In 2020 Joachim Solborg presented his version "Dino Pyramid". See images 4-6.
In 2020 a mass produced version called "Classroom Boomerang Pyraminx Cube" hit the market. See images 7-10
Edge length: 92 mm
Weight: 90 grams
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