super mario pipe iphone speaker

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Here is the rewritten text: Pipes taken from http://www.thingiverse.com/thing:39443/#files create an ideal setup for sound to flow freely, thanks to small holes on top. The clever design also features smaller holes on both sides of the iPhone hole, making it compatible with iPhone 4, 4s and 5 versions. To achieve this, I employed a unique approach by creating three pipes that fit together like Russian dolls, effectively eliminating all thin walls. A video demonstrating the process can be found at http://youtu.be/s1y-m7Y5hGY.