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 ...

When you need a smooth and polished finish, or you want to make exact copies of an existing injection molded part, casting resin parts in silicone molds is an excellent option. [Eric Strebel] has ...