If you have no intention of making them glow, could make a ring out of acetate (the clear stuff they use for overhead projectors), and paint the lines onto that :B
I'm not gonna make any promises for this year like I did last year @_@ My/our Sakuyamon and Beelzemon will be done for whatever con they're finally finished for.
(Mostly I just wanted to make that ring suggestion >3> *threadstalk*)
Anime North 2013
Spitfire ☆ MLP:FiM ☆ At Crafter's Corner