Acronym tho
Name tesseractihemioctachoron,
octahemioctachoron,
vertex figure of hehad
Cross sections 
 ©
Circumradius 1/sqrt(2) = 0.707107
Coordinates
  • in orthoplex position:   (1/sqrt(2), 0, 0, 0)   & all permutations, all changes of sign
  • in hemitesseract position:   (1/sqrt(8), 1/sqrt(8), 1/sqrt(8), 1/sqrt(8))   & all even permutations, all even changes of sign
  • in "the other" (mirrored) hemitesseract position:   (1/sqrt(8), 1/sqrt(8), 1/sqrt(8), -1/sqrt(8))   & all even permutations, all even changes of sign
General of army hex
Colonel of regiment hex
Dihedral angles
  • at {3} between oct and tet:   60°
Confer 2tho   2tho+24{4}  
External
links 		hedrondude   WikiChoron  

Incidence matrix

  8 ♦  6 | 12 | 4 3
----+----+----+----
  2 | 24 |  4 | 2 2
----+----+----+----
  3 |  3 | 32 | 1 1
----+----+----+----
♦ 4 |  6 |  4 | 8 *
♦ 6 | 12 |  8 | * 4

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