Starship Modeler Discussion Forums

I found an automotive spray can product from Duplicolor seems to do the trick. It's called adhesion promoter spray. It works amazing. I'm

Unfortunately some of these parts need to have a little bit of give.

I have a kit that has polypropylene parts I need to paint. Has anyone had success with getting paint to stick well? I have tried Rustoleum plastic primer but it didn't work.