Mold Making and Casting

I have decided I'm going to try my hand (when I get home) at making some clear resin casts of various walls (ice, fire, force) and clouds (stinking, smoke, vapor).

Here's some of the preliminary research:

Resin Casting techniques: EZ Clear Resin

How to make a two-part mold

Mold Making: 2 piece mold

Mold Making and Resin Casting Your Own Sculpted Miniatures - Part 1

Casting Custom Scenery For a Model Railroad