This keyring clip fits 25mm diameter adhesive NFC stickers.
Try concentric top/bottom surface pattern in your slicer for a nice finish.
It's a small model, great for using up remaining filament.
Settings as shown:
0.12mm layer height
100% infill
Concentric top/bottom surface pattern
No supports (just orient it flat, with the recessed sticker side facing upward)
The author marked this model as their own original creation.