custom case
thingiverse
iPhone users can personalize their iPhone 4 cases to fit their unique style and needs. The process is simple and straightforward, requiring just a few minutes of time and some basic knowledge. To begin, users will need access to the iTunes application on their computer.
Download Model from thingiverse
With this file you will be able to print custom case with your 3D printer. Click on the button and save the file on your computer to work, edit or customize your design. You can also find more 3D designs for printers on custom case.