### Disphenoid tetrahedra

Posted:

**Mon Oct 15, 2018 9:15 pm**Hello - I'm having lots of fun with Stella4d - a tremendous bit of kit.

Disphenoid tetrahedra (aka sphenoids) - i.e. tetrahedra whose faces are non-equilateral triangles - are interesting as they are the only irregular convex noble solids (i.e. isohedral and isogonal but not - at least in this case - isotoxal). See page 15 here: https://sites.math.washington.edu/~grun ... yhedra.pdf

Can you think of some way to create them in Stella? If not, that is my suggestion for a future update!

Disphenoid tetrahedra (aka sphenoids) - i.e. tetrahedra whose faces are non-equilateral triangles - are interesting as they are the only irregular convex noble solids (i.e. isohedral and isogonal but not - at least in this case - isotoxal). See page 15 here: https://sites.math.washington.edu/~grun ... yhedra.pdf

Can you think of some way to create them in Stella? If not, that is my suggestion for a future update!