40x SD Card Holder with Lid

I've been doing alot of work with SD Cards recently, and needed a case to hold them all, preferrably that can be transported or shipped safely. None of the other ones I could find, held enough.

So I modeled this one in SketchUp, and decided to share with ya'll :)

I haven't printed one of them yet, as my printer is doing a long job, but will post pics and proper settings when I'm done.

Guessing the settings: 10-15% infill, 230deg (ABS), 130deg bed, 0.30 layer height (for speed of printi