Composite response:
Pete, not making it to York this time, unfortunately, but I'll gladly take the diaphragms you have off your hands if we can arrange something. I'll drop you an email. Your offer pushes me over the edge and I will try constructing the proper CoLA sign.
T.Albers, if you were posting two photos of your tail sign they didn't come out, or not on my Mac devices, and I'd be keen to see them. The Molotow recommendation is right as I have used it although I have not tried airbrushing it yet. It is HIGHLY reflective but is an ink, not paint, and so takes some careful handling. If I was willing to give away the latest phase of my UP Excursion cars project, which I can't until it's further along, I'd show the latest use I have made of it. Straight out of the pen/applicator it works like a treat on small detail/accent parts. I'm pretty sure that bigger/flat surfaces require spraying.
