This is an adapted 3mf version of TheRooster's build so it's easier for Bambu Labs printers. Below is he wrote about these models in his Thingiverse post:

I reworked my office recently and added a couple IKEA Skadis pegboards. I've been using and loving CSD_Salzburg's Skadis set and decided to make some more custom pieces for specific needs I have. One of which is to hold my mini paints in a nice, compact, visible manner.

Instead of holding them vertically, I tilted them forward slightly in order to fit more bottles in the same space. These pieces will tile vertically and horizontally so you could fill up an entire pegboard with paint bottles if you'd like!

 

I used Onshape to design this and a few other things for the Skadis pegboard. Here's the link to the file. You should be able to import it and modify it if you want. Maybe your paint bottles are a different size.
https://cad.onshape.com/documents/348e12b6854837cde8699515/w/f8a5c0f8bfc6365438a4db58/e/ed7cb1d0005ce2b2348f02ca

The area of the pegboard this takes is ~120mm x 80mm. Since the bottles are staggered, one piece takes up a bit more than 120mm in width, but it tiles horizontally at 120mm.

 

You will need two of the Universal Hooks for each Holder. This part is CSD_Salzburg's design. I'm just including it here for convenience.

Finally, I recommend printing this part in two pieces. That way no supports are required. They easily glue together using whatever glue you like. Personally I use standard cyanoacrylate. The two pieces are easily located to each other when gluing.

This is designed to be printed with a 0.4mm nozzle.

Happy Printing!

 

P.S. I have added a version with slightly larger diameters (25.5mm instead of 25mm) for larger diameter bottles. From what I understand, the larger version should fit Vallejo and Reaper paints better.