the availability of ref material for the most part.
i'm getting a new armor set soon, and I want it to be top notch.
not improvised at all, just 1:1, I know I can get close...
the custom weathering on my current suit is still the biggest nail to my coffin... I mean it looks nice, but its not accurate at all...
And well... gives me something to do 
I must say... the ROTJ jet pack has always appealed to me... looks like a challenge :jet pack
