This model was obtained from https://cults3d.com/en/3d-model/art/nefertiti-bust-hollow
THen I used openscad to turn it into a magnet :)
It uses these magnets
Using these magnets
https://www.amazon.com/gp/product/B01MSTKTSF/?&_encoding=UTF8&tag=10x1309-20&linkCode=ur2&linkId=6e4f1423e7e4a20a78824f5e1053be17&camp=1789&creative=9325
The author hasn't provided the model origin yet.