A high definition 3d model of an Apple AirTag made from the specs Apple provides
Also provides models to create the negative space needed to fit an AirTag.
These are with 0.15 and 0.30mm margin. They do not have the flange between battery compartment and AirTag main body.
Provided as very high resolution STLs, step files and fusion 360 files.
These can be used when making something that has to fit an AirTag.
The author hasn't provided the model origin yet.