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Make a “No Vac” Vacuum Former: This DIY workshop accessory is less than $40!

This simple, inexpensive shop accessory is an easy to build vacuum former that lets you form canopies, cowls and other details up to 7x7 inches in size. The plastic for forming is cheap (or even free) by reusing grocery store packaging or fast food outlets. You probably already have all the tools and half the materials on hand. The platen (forming surface) is 8x8 inches. My prototype setup creates vacuum using a piston in a...

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