This is a replica of the grey injection-molded piece in the photos. The piece is a replica of a hearing aid holder with a speaker. (The 3MF file has 2.6 million triangles lol.)
If you appreciated this model in any way, please consider donating, as I am a student. My BlueWallet Bitcoin address: bc1qw063yukz5h5qelsktdc8fv062sxmjr6dh963tu.
The author marked this model as their own original creation.