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 ...

As you would expect, the most intricate part of this build isn’t globbing up a mold with epoxy resin. No, the real trick here is making sure the rails of the CNC are aligned perfectly before ...

Today we're making lenses with epoxy, using a replication molding technique. It... mostly works 😇 ==== Details ==== We can replicate lenses using silicone molds and optical epoxy resin. But there are ...