Keyring holder for Apple AirTag in a heavy duty design. (51 x 44 x 9 mm)
The AirTag clips exactly into the hole, so it will not rotate in the enclosure.
Required additional material:
3x Screw M2*8 (2 mm diameter, 8 mm length)
3x Nut M2 (4 mm outside, 2 mm inside, 1.6 mm height)
The author hasn't provided the model origin yet.