I designed this organizer to keep my many SD, Micro SD, and USB thumbdrives close by and easy to access on my Flexispot Pegboard.
The Flexispot Pegboard is made of thin sheet metal, but I've also included a version for 0.25" thick pegboards. Designed for a 1" grid.
The hooks print separately for a press fit. You can also glue/3D pen weld them in place if you'd like, but they should be held in place once mounted onto the pegboard.
Holds 6 micro SD cards, 6 SD cards, and 10 USB thumb drives