This is a small case to hide your key under something magnetic.
To print this model, use 0.15 mm layers (initial and subsequent) for the bottom part (KEHI01-0002). Program a pause at height 3.3 mm to insert 10 mm diameter x 3 mm thick magnet. Secure with glue before continuing the print so that the magnets don't come flying at your hot end when it comes too close.
The author marked this model as their own original creation.