Casting metal parts from 3D-printed plastic or Styrofoam models is all ... and a handful of play sand is all you need to make custom parts.

have a short list of tips for getting the best results when 3D printing molds on filament-based printers. A mold is put into direct, prolonged contact with a hot sheet of semi-molten plastic.

The key to generating a perfect Starter Pack lies in crafting the right prompt. Here's a sample prompt you can customize: ...