This resource from Felic adds 3 static objects.
This resource adds 3 static objects (in the CS only, not in the game world):
ObSymbol (no glow)
ObSymbolGlow (white glow)
ObSymbolGlowRed (red glow)
They are placeable Oblivion symbols (O logo from game) like the ArcaneSymbol01.
The mesh is simply a flat square, for placement on floors or walls.
To install, just drag the files/folders to your Data folder.
I included the esp so you can easily dupe the items into your mod.
This is a modder's resource, so feel free to use it in your mods. Credit would be nice and appreciated.