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]
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]
i could use this. it is a pretty smart idea by the way sound travels.
cool! can i repost this model at http://www.papercraftsquare.com?
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