So far as I know, this tech is limited to what material is used. It's a polyester resin, for now.

I DO NOT KNOW for sure.

I found this:

Many different materials can be used for 3D printing, such as ABS plastic, PLA, polyamide (nylon), glass filled polyamide, stereolithography materials (epoxy resins), silver, titanium, steel, wax, photopolymers and polycarbonate.