microSD Card and Reader Holder

This is a case that will hold ten microSD cards and a small USB card reader (or I guess technically eleven cards if you keep one in the reader). I designed it around the SanDisk model that I have. I believe it is model number SDDR-121-A11M and can be found here: https://www.amazon.com/SanDisk-SDDR-121-A11M-MobileMate-Memory-Reader/dp/B000WR3Z3A/ref=sr\_1\_3?dchild=1&keywords=SDDR-121-A11M&qid=1632812261&sr=8-3SanDisk does seem to have a few different models that look dimensionally identical.I did try some other microSD cases before making this one, but I found that many of them had problems I wanted to solve. Details:I opted for more clearance than some other cases. With some of them the cards fit too tightly. This one the cards just drop in. They are held in place by the lid when it is closed. (Just be sure to open it with the logo facing up)I added a spot for a card reader. I really wanted this and couldn't find a case with this feature.Threads together. I made it with large thre