This GBA game cartridge holder, can print a holder for three cartridges on a Prusa Mini+.
You can use the scad file to change the number of pockets via the ‘numberOfPockets = 3;’ line.
Please print with the bottom up.
No support is needed.
On the mini it can be printed on the diagonal of the print plate so that there is room for three pockets.
The author hasn't provided the model origin yet.