I am of the opinion that if you clearly stated that you want credit on a model being built, you should say so before you draw a line. This should not be taken for granted. I have helped many people and have received no credit, of course, the big bold letters I use saying, "Do not credit me in this model", might have something to do with it. What is you opinion? Please offer your opinions as opinions, not absolutes. Let's be nice and creative. Maybe even making up a standard agreement form. For instance, if you make the engines, but no longer want them distributed, they should be able to removed from the models, and someone elses be used. This can open many doors, close others. It would be cool to see a fleet of spacecraft with interchangeable parts. Not like the swap pods, and come up with a billion variations of Star Trek ships, but a new Universe, like the "Zealot Continuum". *** ***fun can be made of that now.