Re: UV paint
That sounds amazing. I'd love to see what you're doing.
I don't know anything about UV paint, I have used Amsterdam acrylics and wasn't that impressed with them. If UV paint is like other mediums, there may a student grade and an artist grade. You may want to get the best quality you can afford.
I would think you'd need a fairly heavy bodied paint. You may want to check review of paints available online in your area or if you can request samples to try them out for yourself.
I also wonder too if the undercoat matters with UV paint. I'm sorry to say I just don't know though.
This is a pretty quiet forum but hopefully someone who may know sees this and helps out.