stormtrooper helmet

I saw this video recently and I thought it looks pretty great! (Aside from the paint) However he doesn't say what the file is, and he hasn't responded to any comments recently about it either. So I decided it would be a good idea to ask everyone here if they know what the base file is...

Hey all, Been thinking about picking up one of the Black Series Stormtrooper or Incinerator Stormtrooper helmets for a little project. Before I look elsewhere, if anyone has one they want to let go of, please shoot me a PM. I don't necessarily need the box or anything like that, just the helmet...

So I've been meaning to do this for a long long time now, and I finally took the time to do it. Here is my Stormtrooper helmet collection so far. ( in no particular order) RS Hero first edition #8 (2020) RS HDPE from the first run ANH RS HDPE from the latest run (2017) ANH RS ABS...