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 ...

Just ask [jformulate], who created these custom chocolate-topped butter cookies using a mixture of 3D printing, silicone ... Once a hexagon-shaped mold was created in Fusion360, the images ...

Next, use a silicone casting product to create your ... You will then use epoxy to fill the mold and create the missing ...