I made an adapter to turn a trash bag into a very fast, electricity free, pump for my camping mat. It uses Bernoulli's principle. Took me under an hour to model, under an hour to print, and it worked first try!
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Posted in r/3Dprinting by u/sugarjoe8 • 49 points and 5 comments
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The original was posted on /r/3dprinting by /u/sugarjoe8 on 2025-05-07 03:24:27+00:00.

Original Title: I made an adapter to turn a trash bag into a very fast, electricity free, pump for my camping mat. It uses Bernoulli’s principle. Took me under an hour to model, under an hour to print, and it worked first try!