Whirlwind Papercraft Passive Amplifier

Adam Flaherty

I make cool stuff and write about other people making cool stuff on makezine.com. If you have something you think I should see, send me a tip.

781 Articles

By Adam Flaherty

I make cool stuff and write about other people making cool stuff on makezine.com. If you have something you think I should see, send me a tip.

781 Articles

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We’ve seen papercraft passive amplifiers before, but the Whirlwind from instructables member urant folds away flat so you can stick it into your pocket. [via Life Hacker]