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A 5x5x5 modified into a truly tetrahedral shape.
Made from an Eastsheen 5x5x5 by gluing square tubes onto each cubie. The square tubes where made by the builder beforehand. This techniques keeps the puzzle rather lightweight. The edge length is 190mm.
The images #4-#6 show another sample presented by Lawrence Cuthbert in 2013. His sample measure 176 mm along an edge and weighs 290 g.
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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.