This is the vertical part of the Griffin Gaming Modular Paint Rack, it is a commonly purchased section which other sections can be added on to. This section is made for storing dropper bottle paint pots such as TTCombat Paints, Two Thins Coats Paints, Vallejo, The Army Painter Paints and others. This section will hold a total of 36 paints. If you have other sections of the Griffin Gaming Modular Paint Rack you can also re arrange these to suit your own needs and mix in large paint bottles, main sections and more. Elephant foot compensation needs to be set to .35mm Layer height = 0.2mm Wall Count = 3 Tree Supports = on The tolerances are very tight and you may need a little force to fit the sections together, do this carefully and from the end and not the middle of the section.