Pretty soon he was using silicone rubber to make two-piece, high-quality molds of lenses, good enough to try a few casting shots with epoxy resin. [Zach] ran into a few problems along the way ...

There was only one problem…she had no experience with the silicone molding process or epoxy resins which would be required for such an operation. Toothpicks were used to make channels in the mold.

Struggling with bubbles in your resin projects? Learn my step-by-step process for mixing and using epoxy casting resin smoothly, so you get crystal-clear results every time! $15M reward announced ...