You now have a vacuum-formed plastic mold that you can cut out and paint as a mask, use to cast gelatin, plaster, or other low-heat materials, or make two molds and attach them together as an ...

Unlike other plastic forming processes, vacuum forming uses heat and a vacuum to form plastic over simple pattern molds.

The full set of videos shows the creation of the mold using PinkySil, a silicon-based material, and the casting of a cartridge shell from EasyCast resin.