What better place to store your files than on a flash drive? 

compatible with the following file set: 

https://www.amazon.com/gp/product/B083P4VQFG/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1

Storing needle files tip-up is dangerous. I'm not responsible if you hurt yourself. If you're smart enough to buy these tools and to operate a 3D printer, I assume you would know this, but I showed this print to some people on Facebook and they were concerned for my safety.

I printed back side down, with support, and swapped the filament for the text