SD card holder for 8x SD and 6x micro SD. Tolerances for cards should be quite generous even for not well tuned printers. In case you want tighter/looser fit, feel free to scale the model up/down a bit.

Print settings

• any nozzle size (tested with 0.4mm)
• any filament
• any layer height
• no supports
• enable ironing for topmost layer only