I was looking for a really simple trolley coin without any text on it and then came up with this design. After fiddling around with printed models I figured the hole in its middle is pretty neat because it reduces the amount of filament you need and allows you to clip it to a purse, your backpack or similar.
Print in anything you want (tried PLA + PETG). Infill may be 100% as this is so small. I recommend setting the first and last layer to a concentric (PrusaSlicer) pattern so it looks nice. Ensure the height is about right (2.33mm).
I personally often print this to have a model for the last bits of a filament roll. Sometimes I even mix different filaments. This reduces waste + gives you a nice gift for others.
The author marked this model as their own original creation.