The first step is to make your mould out of MDF or softwood. The surface should be sanded smooth so that it doesn't leave any marks on the plastic. You'll need to wear your hot work gloves for this so ...

Vacuum forming is used to make plastic housing or components for a wide range of items, from food packaging and masks to helmets and parts for aeroplanes. Let's take a look at how it's done. Goggles, ...