Three circles intersecting each other like the Rashkey.

• Inventor: Undisclosed forum member
• Mechanism: Intersecting circles
• Patents: Unknown
• Producer: Customly 3D printed
• Year: 2020
• Original Price: $24.95 USD
• Current Price: No Data

This is part of a series of three puzzles, including the Quatrium (identical to the Twin Rings) and Tetrakium (see the separate entry).
Starting with the Quatrium the inventor made this new version with three circles. The inventor also made the stickerless version in image 2.
Printed in PETG plastic with an Ender 3
The inventor uses the pseudonym "El Cubitero".
Width: 10 mm
Diameter (of circles): 52 mm

In 2022 hknowstore started selling a non-hollow variant of the puzzle "Pocket Tritium". See images 3-5.
Size: 11 x 75 x 94 mm
Weight: 43 grams

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This puzzle can be found in collections of these members:

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