cheap filament spool storage

Filament Shelf – Affordable and Practical Spool Storage (2-Level Design)Looking for a simple and inexpensive way to store your filaments? This 3D-printed spool shelf is a functional and budget-friendly solution for any 3D printing enthusiast!The shelf is designed as a stable, two-level structure, capable of holding up to 14 filament spools – 7 spools per level. By using standard PVC water pipes, the entire assembly is both low-cost and easy to build.What you’ll need:Print 4x support brackets (preferably using PLA or PETG).Buy a 25 mm diameter PVC water pipe (wall thickness 4.2 mm), 3 meters long.Cut the pipe into:4x 50 cm – horizontal beams (2 per level),4x 25 cm – vertical posts between levels.📌 Link to the recommended PVC pipe:https://www.leroymerlin.pl/produkty/rura-25-4-2-mm-3-mb-sigma-li-41712692.htmlShelf size:Each level can hold 7 standard filament spools.If you want to expand the shelf, you can use 8 pipes of 50 cm each instead of 4, and print 2 additional connector models(not