Would it be worth me putting them up for sale on a print-on-demand site?

@christianp I'm neither here nor there about putting them up for sale, but you should definitely consider running a "best caption" contest for the two men considering an octahedron.

@jsiehler @christianp
"... of course generalising we get,
V + F - E = 2"

@ompaul @christianp "Well done, old chap, but where are you going to find a ring that size to mount it on?"

@jsiehler @ompaul "You're going to have to stop proving lemmas at some point and smash the ruddy piñata, Jenkins."

@ompaul @jsiehler @christianp I'd buy the Euler formula one on a T-shirt

A Mastodon instance for maths people. The kind of people who make $\pi z^2 \times a$ jokes.

Use $ and $ for inline LaTeX, and $ and $ for display mode.