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Either an extended tetraminx or a pyraminx without trivial tips.
A modification for all those who consider the trivial tips of the normal pyraminx as useless and/or distracting. The images used here do not show the original modification but steem from the contributors copy of the puzzle.
In 2020 Carlos Ramirez present the curvy version, aka reuleaux tetrahedron under the name "Pyralic". See images 3-6.
Thank you to the following people for their assistance in helping collect the information on this page: Andreas Nortmann.
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