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How to Make Your Own Prototypes : How to make your own Plastic Vacuum Former

Step 6Put a Lid on it!

Put a Lid on it!
Put the lid back on the jar. The whole thing should be air tight except for the holes in the top. For plastic, I use the sides of one-gallon water jugs or milk jugs. Cut off the sides of the jugs and clamp them (or hold them somehow) between the two frames.
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2 comments
May 5, 2007. 12:34 AMinstructa-fan says:
that is SERIUSLY redneck!!!!! No offence, i'm redneck all over so...
Mar 9, 2007. 8:56 AMRichardBronosky says:
Saran wrap and tape do not create air tightness. Try using J.B. Weld. I've used J. B. Weld to repair damaged high pressure sprinkler system plumbing in my yard. That stuff is better than any 2 part epoxy I've ever seen. Cool project though.

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