[hider=Here][img=http://img2.wikia.nocookie.net/__cb20120918003955/elderscrolls/images/8/87/SKRMFire_Rune.png][/hider] This is what I imagined. It would probably be a bit smaller, but I think they can be more than just this size. I assume you carve them with some form of writing; etching, ink, who knows.