Should I have applied fiberglass to the outside as well?
First off fantastic job so far! I'd love a copy of the pep files for the armor. I've already got a lid just need the supporting cast.
... the shoulder straps that have the notches going over the shoulders were not there is this something that would have to be hand made by the builder or are you currently working on a new pep file to cover the connection between them? ...
I've made two finished chest and back plates so far - one sand trooper and one TIE pilot. The strap that connects the two is pretty much cosmetic. All it does is cover the black nylon webbing that connects the two plates. You can either purchase a beautifully-vacformed one from a builder such as Oota Goota or you could scratch build one. Or you could be a sand trooper, as they didn't use these, with the gap between the plates being covered by pauldrons and magazine pouches.
... are there tutorials to make the pauldrons?