If you need a lens for a project, chances are pretty good that you pick up a catalog or look up an optics vendor online and just order something. Practical, no doubt, but pretty unsporting, especially ...

In this step-by-step tutorial, learn how to encapsulate a US dollar coin in clear epoxy resin to create a custom display case. Follow the entire process, from making an acrylic mold and mixing casting ...

Resin casting lets you produce parts that would be otherwise impossible to make without a full CNC and injection molding set-up. It costs about as much as a 3d printer, 300 to 600 US dollars, to get a ...