The piece that wraps around the side is perfect, the apple logo covers are perfect, but the rear piece is not. It is a few mm too wide and doesn't line up with the camera an apple logo at the same time. I'm going to ask to exchange the rear piece for the 3-piece design and see if it fixes that. Here's some pics:
It was very snug inside the otterbox, which surprised me because of the otterbox's rubber inner layer:








It was very snug inside the otterbox, which surprised me because of the otterbox's rubber inner layer:
