The Annoyinator 3D Printed Parabolic Reflector Transforms the iPhone Into Sonic Weapon (Or At Least Makes It Louder!) #3DThursday #3DPrinting

We shared about Henry (age 12) and his 3D printed parabolic reflector for the iPhone, the Annoyinator, earlier this year.

With the help of his Dad, Henry has launched a successful Kickstarter campaign to fund the purchase of a 3D printer. Check out these videos that they created for this effort that show the Annoyinator in action.

The following is a somewhat paraphrased conversation between Henry (age 12) and Dad (age, uh, somewhere north of 40) on the way home from Thanksgiving…

Henry:  Hey Dad, can you make a loudspeaker that aims only in one direction?

Dad: Well, sort of.  Because of the way sound works, you need a very wide loudspeaker to make it directional and ‘point’ in some direction.  For a reasonable size loudspeaker, you can make it very directional only at high frequencies.

Henry: Awesome.  Can I make something that attaches to my iPod Touch and aims the sound from the ‘Dog Whistle’ app?

Dad:  Yes, you can do that.

Henry:  That’s what I want to make!

Read more.

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Filed under: 3D printing — by Matt

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