If you have a lot of SD card modules, want to store them in well organized and safe place? Then, 3D printed SD card organizer can be the best solution for you! Please watch: https://www.youtube.com/watch?v=UnkUHC6zJpk&feature=youtu.be It is simple, small, easy to print (no support or raft are required), and can hold up to 12 SD cards. Please feel free to modify the design like adding patterns, cover logo, increase number of racks, or any thing that best fit your needs and share it.