PokeBox SD Card Case v2

Story:
To start with let me say that i have 3d printed a few different pokeball themed cases from the thingiverse including a hollow round one and a square one which was designed to hold game cartridges. I remixed one part of that one to make it hold sd cards instead. The one thing that has been the same for all of the pokeball cases i have printed is the way they handled the middle ring. Basically they split the middle ring in half so that the button fit halfway between both halfs. Having tried to assemble a few of these i was never satisfied with the ugly gap that always appeared where the two halfs came together. I decided i had a better way to handle this. So thats what i did. I was originally just going to design a new center ring and post it as a remix but i decided i wanted to change other things too and before i knew it i had redesigned the whole case. That being said i did decide to keep the basic dimensions of the originally designed case. That way you can use my improved ce