The racks are sized to hold standard 2oz acrylic hobby paint bottles like Apple Barrel, Createx, DecoArt, Anita's, FolkArt etc.
Hobby Storage - 2 oz Acrylic Paint Racks Holders for Ikea Skadis Peg Board
SKÅDIS Pegboard, white, Width: 14 ¼ Height: 22 - IKEA
acrylic paint holder 3D Models to Print - yeggi
IKEA Skadis Pegboard - Paint Bottle Holder by TheRooster, Download free STL model
Army Painter 17ml Green Stuff World 17ml Scale Color & - UK
I am once again completely redoing my paint storage on my model building desk. : r/functionalprint
Hobby Storage - 2 oz Acrylic Paint Racks Holders for Ikea Skadis Peg Board
paint rack 35mm 3D Models to Print - yeggi
craft paint holder 3D Models to Print - yeggi