The Radiolarian 3 in shape of a tetrahedron.

• Inventor: Raphaël Mouflin
• Mechanism: Face turning icosahedron (axis system)
• Patents: Unknown
• Producer: 3D printing service
• Year: 2017
• Original Price: $0.00 USD
• Current Price: No Data

Out of curiosity and because the Radio Cube 3 is one of the inventor's favorite puzzles, he wanted to see what a tetrahedral Radiolarian 3 would look like. He found the face pattern to be so beautiful that he had to make it.
Despite it makes the puzzle bigger he chose the straight tetrahedron shape, because he prefers flat puzzles than pillowed ones. He had a small hesitation about the circle cuts on each face, he was not sure the puzzle would be smooth enough to allow those pieces to turn easily.
Due to the massive shape shifting of the puzzle, it has to be handled with care to avoid breaking some of the long and thin pieces, for example the biggest piece can be swapped with the smallest one.
The puzzle is made of 203 pieces, 220 stickers.
Edge length: 133 mm
Height: 111 mm
Weight: 243 grams

In 2019 Anthoone Poole designed a pillowed version "Radio 3 Tetrahedron". See images 9-10. It was printed, assembled and stickered by Jason Gavril.
Height: 102 mm
Width: 105 mm
Weight: 239 grams

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