https://www.mobileread.com/forums/att...2&d=1367520084
If you look at the left side of the picture, at full size you can see where the "clips" are. The same for the top. They are spaced pretty evenly. Don't forget the tape.
Luck;
Ken
PS; I just put a 16GB Class4 uSD in my backup AuraHD , no problems with the case.