We aren’t sure whether you know how to use the ancient calculating device, but if you just need a unique way to protect your iPhone 5/5s, the 3D printed iPhone 5s case may be suitable for you.
This is an interesting form-fitting protective case that measures approx 2.4 x 5.0 x 0.5 inches, and designed for iPhone 5 and iPhone 5s. As we can see from the images, the iPhone 5 case is shaped as an abacus along with Apple logo-like beads, and all the tiny beads can be moved smoothly and freely so you can use the protective case as a real abacus. Moreover, the iPhone 5s case is made of white nylon plastic polished to reveal a smooth matte finish in order to protect your iPhone 5/5s from bumps and scratches and provide a comfortable grip. Apart from that, all iPhone buttons and ports are accessible via custom openings.
The 3D printed abacus iPhone 5s case is priced at $24 USD. If you’re interested, jump to Shapeways official site for more details. Additionally, if you need other options you might like to check O!Coat FaaGaa iPhone 5s case and more via “iPhone 5 case” tag.