Are you a fan of The Most Useless Machine Ever?Now you can have one with you all the time with The Most Useless iPhone Case Ever!Check out the video to see it in action: http://youtu.be/eyYIcQd2hkEFor some more details about how it was built, check out http://jherrman.com/2012/03/the-most-useless-iphone-case-ever/.The case is split in two below the volume buttons on the iPhone. The lower portion is actually two pieces screwed together - one that holds the iPhone, and one that holds the electronics.In addition to the prints themselves, this project uses a number of components. These should be as small as possible. I was able to find a small motor and gearbox from an old digital camera and webcam. I had the battery case, toggle and lever switches leftover from various projects.DPDT Toggle Switch SPDT Lever Microswitch DC Motor Gearbox for motor Battery Holder 4xAA 4 AA BatteriesFor a wiring diagram, check out http://www.instructables.com/id/The-Most-Useless-Machine/step5/Wiring-Diagram/This file depends on an iPhone 4 openSCAD model. You can download it here: http://www.thingiverse.com/thing:12879Just a warning: The OpenSCAD code is messy and was thrown together pretty quickly. I started a big refactor but ran out of time.