Just a simple holder for those super cheap mini modelling files that are ubiquitous on eBay and Ali with a handle diameter no greater than 4mm. I hated the cheap plastic pouch, and was just forever leaving them sat out on the side so I could never find the one I wanted.

Holds 10

No supports needed, I went with 20% gyroid infill just for a bit of internal support and stability of the top layer surface for when I inevitably can't find the hole... ( ° ʖ °)