Episode 3 Darth Vader Helmet stl file, modeled with multiple refrences to match proportions and details of the original helmet.
For each project we spend a lot of time studying and compilingphoto references we also use technologies and techniqueslike photogrammetry and 3d scanning to guaranteeaccuracy in dimensions, proportions and details.So our 3d models are very close to real props.
check my process
https://www.youtube.com/watch?v=ChT4KzS4H90&feature=youtu.be