Summary

The attached files are just the tip of the iceburg. I've started creating a full system of part trays with covers that you can 3D print at any size.

The files are in OnShape and can be found here:

https://cad.onshape.com/documents/8f4848a1c3a70c2f0f1b79b2/w/df2b3ac27dd0d9f173367fa4/e/49c99b04c87c2dbe63da48d3

I have trays that are round, rectangular, and hexagonal. Each with three variations, and beyond that, there's the option to partition the trays into sections.