Attached Link: http://www.uvmapper.com/

Well, that might be an easy one. You simply look up a little and click onto "Backroom - Ressources". There you find a lot helpful (and free) software thingies. For your thing probably uv mapper is best. I copy the link from the Backroom ! Good luck and hopefully this is what you have looked for.

One day your ship comes in - but you're at the airport.