There was only one problem…she had no experience with the silicone molding ... a two-piece mold, into which [Gina] embedded two channels: one to inject the resin, and another that would let ...

Want to create stunning refillable resin pens? Learn how to use silicone molds to craft beautiful, custom pens that you can use over and over again! Perfect for gifts or selling. 🖊️ $15M ...

Practical, no doubt, but pretty unsporting, especially when it’s possible to cast custom lenses at home using silicone ... molds of lenses, good enough to try a few casting shots with epoxy resin.