I printed one of my marquee designs on standard paper at a medium resolution to test for appearances. The image is not mounted and sandwiched as per the method, it is just held in place with sticky tape.
I believe the black background (when eventually printed on suitable paper), will be black, not this horrible shade of grey I am viewing at the moment. As all the lines and colours appear dirty and without vivid definition, this exercise achieved pretty much nothing.
I think I will just have to keep working on my idea and submit my final design to the printer and hope for the best. I don