If printing with thicker layers like myself (0.28mm), increase the model scale by 2 to 4% to give enough spice for the cards to fit.
Print settings:
Creality Ender 3 V2 Neo - using Cura + Filament Friday Extra Fast 0.28 profile with 10% infill. No support needed.
Print time:
~ 3hr 20 minutes - PLA.
The author remixed this model.