This is a paint bottle rack that should work for any small squeeze bottle around 34mm diameter X 74mm length (from the base to the bottom of the cap).

I used the small squeeze bottles from Jo-Ann's called "Top Notch" for the pic and example for my sizing.

You can print all three support rails, all three "rack" rails, and the bottom rail in a single print on the Ender3 Pro, and then print both "Side panels" in a single print as well.

Each slot opening is 5mm x 20mm. A couple parts might require just a tiny bit of sanding on the male end to fit nicely, but it should friction fit without any glue.

Creality

Ender 3 Pro

Doesn't Matter

No

0.2

20

TinkerCad