Updated Model can be found here: https://www.printables.com/model/583936-stackable-pill-travel-container

I wanted an adjustable pill caddy for traveling. I wanted something that could adjust based on the number of days I would be traveling.

This model has 3 parts. Top (Lid), Middle (Mid), Bottom (Base).

The middle part is threaded on top and bottom so they can infinitely stack to the number of days desired.

Edit: Added additional files of each individual part.

I printed at .20mm Quality setting.

After printing you need to work the threads a little to make them smooth. I added a little petroleum jelly (Vaseline) to the threads (see picture) to help smooth them out then wiped it off with a paper towel. Once the threads are used a little, they become very smooth.