iPhone 7 Case

This is an iPhone 7 case that is supposed to have a hinge on the back so the case can open and close. Inside is a spot for cards, and a mirror on the other side. Then there is also a place to loop a string to hang a keychain from. (This is for a class assignment. I had issues with printing, not having all the pieces printed and the one that is printed is warped. I am waiting for a new print. Also I printed with PLA plastic which isn't very flexible so its hard to fit my phone into, so I would su