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A Pentultimate in shape of a icosahedron => A deepcut corner turning icosahedron.
This puzzle is based on version 2.5 of the Pentultimate invented by the same person. It realizes the inventors original idea who wanted to realize an icosahedral puzzle but changes plans and realized the Pentultimate.
In 2020 a mass produced version hit the market.
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann, fbgrac.
This puzzle can be found in collections of these members:
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