Modular Wall-Mounted Filament Spool Rack – 12mm Aluminum Rods

A simple, affordable, and practical wall-mounted storage solution for your 3D printing filament spools!

I designed this filament rack to keep my filament collection organized and easily accessible without spending much money on expensive storage systems.

The design combines 3D-printed brackets with two standard 12 mm aluminum rods, which are inexpensive and commonly available at hardware stores.

For my setup, I used 1000 mm long aluminum rods, but you can adjust the length to suit your available wall space and storage needs.

Features

• Simple and cost-effective filament storage

• Wall-mounted design to save workspace

• Uses inexpensive 12 mm aluminum rods

• Customizable rack length

• Minimal number of printed parts

• Easy assembly

• Suitable for different filament spool sizes

Printing Settings

I printed all parts using the following settings:

These settings worked well for my setup.

For additional strength, you can increase the number of walls or use PETG instead of PLA.

Required Parts

3D-printed parts:

• 2× Wall-mounting brackets

• 2× Rod end pieces

Additional hardware:

• 2× Aluminum rods, 12 mm diameter, 1000 mm long

• Suitable screws and wall anchors

• Superglue (CA glue)

The aluminum rods are available at most hardware stores and can be cut to your preferred length.

Assembly Instructions

1. Print the parts: Print two wall-mounting brackets and two rod end pieces using the provided STL files.

2. Prepare the aluminum rods: Cut two 12 mm aluminum rods to your desired length. I used 1000 mm rods.

3. Insert the rods: Slide both aluminum rods through the two wall-mounting brackets. Do not attach the rod end pieces yet.

4. Mark the mounting holes: Hold the complete assembly against the wall and mark the drilling holes while both aluminum rods are inserted. This is important because the rods help keep the brackets correctly aligned and properly spaced.

5. Mount the brackets: Drill the holes and secure the wall-mounting brackets using suitable screws and wall anchors. Make sure everything is level and securely attached.

6. Install the rods: Slide both aluminum rods through the mounted brackets.

7. Attach the end pieces: Once the rods are correctly positioned and the wall mounting is complete, glue the printed end pieces onto the rod ends using superglue (CA glue).

8. Allow the glue to cure: Wait until the adhesive has fully cured before loading the rack.

9. Add your filament spools: Place your filament spools on the aluminum rods.

Your filament storage rack is ready!

Important Notes

• Designed for 12 mm diameter aluminum rods.

• My setup uses 1000 mm long rods.

• Always insert both rods before marking the mounting holes. This ensures the brackets are properly aligned.

• Do not glue the rod end pieces before installing the rack. They should only be attached after the brackets and rods are mounted.

• The rack length can be customized, but longer rods may bend more under load.

• The maximum load capacity has not been officially tested or rated.

• Use suitable screws and wall anchors for your wall material.

• Make sure the rack is securely mounted before loading it with filament spools.

• Avoid overloading the rack, especially when using longer rods.

Final Thoughts

This is a simple DIY project that combines inexpensive hardware store materials with 3D printing.

It keeps filament spools organized, saves valuable workspace, and can easily be adapted to different storage requirements.

Happy printing!