Saw indicators like these made by thelukec. I wanted the letters to be more defined, so I remade the model with the letters embedded in the ring, but raised by a millimeter. Happy with the way they turned out. This is the first model have made myself.
Advantage, Bane, Blessed, Blinded, Burning, Charmed, Concentrating,
Cursed, Deafened, Disadvantage, Engulfed, Enlarged, Frightened,
Grappled, Hasted, Hexblade's Curse, Hexed, Hideous Laughter, Hunter's
Mark, Incapacitated, Inspired, Invisible, Paralyzed, Petrified,
Poisoned, Prone, Raging, Reckless, Reduced, Restrained,
Silenced, Sleeping, Slowed, Stunned, Taunted
Unconscious, Vicious Mockery, Warden's Mark