Practical, no doubt, but pretty unsporting, especially when it’s possible to cast custom lenses at home using silicone molds and epoxy resins. Possible, but not exactly easy, as [Zachary Tong ...

Pouring some nicely colored epoxy is straightforward enough ... The build starts with the creation of a silicone mold, using a 3D printed SLA master. The part in question is for a prototype ...

This is an instructional video showing how to make a mold from silicone rubber. Silicone rubber molds provide high accuracy and self releasing properties. They are also heat resistance, possess ...

I needed silicone to make a mold, resin with which to cast, and a bunch of products to keep my work area clean. • Transparent resin (for later step) Because I'm not certain if any of these ...