A few years ago I received a set of Ares brand socket organizers as a gift. Specifically these: https://www.arestool.com/products/3-piece-1-4-inch-drive-9-84-inch-aluminum-socket-rail-set

These are awesome organizers, but the set I was given has one problem: it's all 1/4" clips! These 3/8" clips fix that for me. Now I can store all my Torx bits together.

I printed mine in PLA with 3 walls. Seems to be doing the job for now, but you might try printing these in something more rugged and flexible like PETG.