This is a 3D scann of a foot.
We printed a shell from carbon fiber (0.8mm thick with litlle scaling up the model) so it could be used for carbon fiber laminating for a bicicle shoe.
Unfortunately I don't have any photo's any more..
The items are a solid one, and a shell file.
Printed by https://www.mtb3d.com/
The author hasn't provided the model origin yet.