Click a thumbnail to see its larger version and description.
A 4x4x4 in shape of a Reuleaux tetrahedron.
This is not the first 4x4x4 in shape of a tetrahedron but it is the first one with the shape of a reuleaux tetrahedron.
Height: 90 mm
Weight: 349 grams
Beginning in 2015 a mass produced version was available. See images 4-8.
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann.
This puzzle can be found in collections of these members:
Found a mistake or something missing? Edit it yourself
or contact the moderator