The file is in 2022 solidwork format. It could be customized to allow to hold cards more securely/loosely.
Place intentionally left blank for NAME customization
Improved the original design by removing 2 side rails, added guide rail for latch installation and increase the leverage on the latch.
Add your name or letters as you wish with Bambu Studio build in tool.
Feel free to leave a note if you want the surface to be customized even more!