In this instructable, I'll show you how to make a cheap but good vacuum former, using mostly things you have around the house, or can buy very cheaply. suck the plastic inward onto that mold with a vacuum system (such as your household vacuum cleaner) Once the plastic cools, you pull it off the mold and trim off the excess plastic, leaving a copy of whatever shape you sucked the plastic onto. stretch it over a convex mold of an interesting shape (such as a life cast of your sweetie's face), and 3. heat it in an oven (such as your kitchen oven) until it's soft and rubbery 2. clamp a sheet of plastic to a frame (such as a windowscreen-type aluminum frame) 1. It's the easiest way to make an infinite variety of shapes in plastic, or to make molds for casting shapes in other materials, such as concrete. Vacuum forming is a technique for shaping sheet plastics into 3D shapes, which you can do at home, easily and cheaply. Tired of buying cheap plastic crap? Now you can make your own! Or you can make nice and surprisingly sturdy plastic stuff in amazing shapes, amaze your friends with your technical prowess, and be the life of the party.
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