Hey there troopers!!  Unless you have your armor maker build your helmet for you, every other armor build will have a helmet and every helmet will have ears to trim out.  THE EARS!!!!   GAHHHH!!!!!  These words have struck fear deep in the butt plate of troopers all over the world. First and most important thing to remember is the the ears on the original helmets were FAR from perfect.For this reason alone, you really shouldn't be so hung up on making your ears sit so flush that there isn't