Filament Spool Holder

I was looking for a simple and inexpensive way to store filament spools on shelves. The available options on the website were not suitable because they were complex in design, expensive both financially and in terms of time, and required a lot of plastic for printing. After analyzing some interesting options, I came up with an idea for a simplified design. It involves using minimal amounts of plastic and third-party components. This design is convenient and effective for storing filament on shelves and other surfaces. Use any available plastic for printing. Don't forget to change the plastic type in the settings. I printed using PetG plastic. For assembly, you will need a tube with a diameter of 20 mm (I used water pipes). The depth or length of the tubes will depend on your preferences and the rigidity of the tubes themselves. Use a fixing jumper in the middle of the structure if the length of your tubes is sufficient. You can use multiple jammers as desired. If the structure is short