Alexander's GemA 2x2x2 Octahedron, also called a Gem or Okki, but with a color pattern reminiscent of the Alexander's Star puzzle.
Escher OctahedronOctahedron featuring original artwork by M.C.Escher, shows a total of 24 butterflies.
OctahinxA Megaminx in shape of a octahedron
OctaminxA fairly accessible custom build based on the Pyraminx.
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