Keywords: Tetrahedral hyperprism.png tetrahedral hyperprism Faces partially colored to help show parallel pairs of tetrahedrons 2006-07-16 Own Tomruen wikipedia en Tomruen Original upload log page en wikipedia Tetrahedral_hyperprism png 2006-07-16 00 52 Tomruen 899×900 29750 bytes <nowiki></nowiki> Tetrahedral prism |