A deltahedron (plural deltahedra) is a polyhedron whose faces are all equilateral triangles. The name is taken from the Greek majuscule delta (Δ), which has the shape of an equilateral triangle. There are infinitely many deltahedra, but of these only eight are convex, having 4, 6, 8, 10, 12, 14, 16 and 20 faces.{harv|Freudenthal|1947} The number ...
Found on
http://en.wikipedia.org/wiki/Deltahedron
The triaugmented triangular prism, a convex deltahedron A polyhedron whose faces consist of equilateral triangles that are all the same size. Although there are an infinite number of different deltahedra, only eight of them are convex, as O. Rausenberger first showed in 1915. Among this group o...
Found on
http://www.daviddarling.info/encyclopedia/D/deltahedron.html
No exact match found.
