Compact SD Card Capsule

I gave a bunch of SD cards to a buddy and while he was on his way over to pick them up went looking for a quick case to print for him. I found several, but each one had something I just wasn't thrilled about - flimsy hinges or non-FDM optimized threads. Later that evening I drew this one up for myself - just a compact little container that holds five SD cards and four microSD cards. Small enough that I can stack several in my drawer to keep my cards organized or toss it in my camera bag. The double version holds twice as many, just mirrored on each side. Dimensions are such that the cap screws on snugly and locks in to place with FDM-friendly threads, just ever so short of actually touching the cards. This keeps them properly in place so so they will not fall out if the container is turned upside down while the cap is fully installed. The caps are all identical and are fully interchangeable. You could mix it up to have the caps in different colors - I suggest this for the double ve