Modular spice rack (no glue)

The model is inspired by another model (Modular Spice Rack by josh.epner). I needed different dimensions, so I recreated similar model from scratch. Main features:It is a spice rack, so spice cans can be stored, obviously. And also some other things if you wish.It can hold spice cans up to 56mm wide.The spice rack is modular both horizontally and vertically.It consists of 1-3 levels of shelves.I included stl's for 1-4 sections wide shelves and 1-3 levels high side walls.No glue needed. Simple assembly. Fits tightly.Total height of a 3-level rack is about 197mm, 2-level – 132mm, 1-level – 67mm. All numbers are for rack with single-sided top T-brace. Two-sided T-brace on top level adds 4mm.Total width varies depending on number of sections. Single-section shelf's width is 60mm. Practical note: I need to store 12 spice jars, so first I tried shelves with 4 sections (PLA Matte). But my jars apear to be too heavy, so shelves bent down a bit. Although the bend is not critical, I prin