Remix of Chamele0nUltra frame with a sturdy keyring loop. The frame is slightly enlarged to fit the original ChameleonUltra perfectly.

Printed at .12mm layer height. 

Activate “Detect thin walls”.

Recommended filament PETG or stronger.

Print on a smooth bed and sand both sides after printing on a flat surface with 400+ grit to make it sit flush.

Update 2023-08-14

Added another model that uses the right screw as lanyard loop.

Update 2023-08-15

Updated loop-around-screw model.

Original design by @RfidGroup and @ShiroSaki