The thing I want

[learnedax]

A tetrahedron, each face marked with three symbols, one at each edge. The three edges adjacent to any face share a common symbol.

The four distinct symbols: I^{3 ⌈}Φ^{⌉ ⌈}e^{⌉ ⌈}π^⌉

Comments

[londo.livejournal.com]

It's a shame it's not a d5 with e, pi, i, 1, 0. We could call it a dEuler.