 8-orthoplex    
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 Truncated 8-orthoplex
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 Bitruncated 8-orthoplex
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 Tritruncated 8-orthoplex
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 Quadritruncated 8-cube
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 Tritruncated 8-cube
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 Bitruncated 8-cube
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 Truncated 8-cube
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 8-cube
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| Orthogonal projections in B8 Coxeter plane | ||
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In eight-dimensional geometry, a truncated 8-orthoplex is a convex uniform 8-polytope, being a truncation of the regular 8-orthoplex.
There are 7 truncation for the 8-orthoplex. Vertices of the truncation 8-orthoplex are located as pairs on the edge of the 8-orthoplex. Vertices of the bitruncated 8-orthoplex are located on the triangular faces of the 8-orthoplex. Vertices of the tritruncated 7-orthoplex are located inside the tetrahedral cells of the 8-orthoplex. The final truncations are best expressed relative to the 8-cube.