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A Gear Cube transformed into the shape of Reuleaux tetrahedron.
Traiphum Prungtaengkit has the aim to modify every mass produced puzzle into the shape of a tetrahedron, preferably a pillowed one. In this case he started with a Gear Cube he purchased from Uwe Meffert himself while both were visiting the Rubiks Cube World Championship 2011 in Bangkok.
The modification was made by truncating the puzzle and then filling the holes and gap with black modelling mass.
In 2012 Mefferts started selling a mass produced version of this shape variant.
If you're looking to buy, eBay is the one place you can find almost anything... if you're willing to wait for it, then pay the price!
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann. If you have any information or images that you would like to contribute to this entry, please click the apropriate add () or edit () icon above, or use the following links to modify this item, add a recent sale price or to add a new link.