Comically large guitar pick. My kid wears it as a necklace.
In the print in the photo, I used the inlay from my real guitar picks model and just scaled it up to around 760% until it looked right. Pictured next to a real pick for scale.
Functional picks with inlays to choose from:
https://www.printables.com/model/527227-guitar-picks
The author marked this model as their own original creation.