hey Rube, in the castings you're making of your helmet, are you adding any weave (glass fiber cloth or similar) to the inside for rigidity, or is it just the Smooth Cast 300? Also, do you have any experience with the TEP plastics Quick Cast? You have blue silicone in a few shots where you're working with Lee's rifle, so I was thinking you might have used their products in the past.
I'm trying to determine what the best material would be for my eventual helmet cast. I know most guys on here have used Smooth-On, but I haven't really ever heard why.