Pi 2 Case - slim with customization options

My first pi case was a purchased, laser-cut box that pops together. Within a week, it had broken at the joints. After having problems with other cases that I downloaded and printed, I decided to make my own.

As marked in the description, this is still a Work-In-Progress. My end-goal is to finalize a case that can be opened/closed repeatedly without wear-and-tear. For now, this is done with M3 screws and requires drilling on the Pi (ulp!) with a 1/8 bit. I like the M3 cap screws, but that's ju