Accurate Darth Maul Head as seen on Phantom menace , 3d modeled using Photogrametry , with accurate details size and shapes.
For each project we spend a lot of time studying and compiling photo references we also use technologies and techniques like photogrammetry to guarantee accuracy 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