One of the tools case and accessory makers use to design their products to work with Apple’s iOS devices are schematics published by Apple. Apple has now published those blueprint-like detailed case guidelines for the iPhone 5c and iPhone 5S (as first noted by MacRumors).
If you’re a case or accessory maker, or if you just want to see some really cool detailed design schematics for the new iPhone, click here to download the full PDF from Apple’s developer site The schematics begin on page 13 of the PDF!