I printed a test kit display and drying rack but the posts for drying the tubes broke because of the layer lines. I made this to fit over a broken post. It will need supports. Since it prints on it's side it should be much stronger than the original.

I can't link a this to the orginal right now. This part of for: https://www.thingiverse.com/thing:3968946

Print Settings

Rafts:

No

Supports: