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Are your electronics workbench wires a tangled mess of knotted cables? Take control of your workspace with this custom-designed, 3D-printed wire management system! Designed entirely in FreeCAD, this project features sturdy wall-mounted brackets and custom spools that perfectly accommodate standard reels of hook-up wire. By utilizing a simple 18mm diameter wooden dowel as a central axle, you can create a modular storage solution that keeps your most-used wire colors tangle-free and within arm's reach. Whether you are a hobbyist looking to declutter or simply want to optimize your workflow for your next Raspberry Pi or Arduino build, this project is a practical, beginner-friendly introduction to designing functional, load-bearing parts in FreeCAD.
I've created brackets and a spool for mounting reels of electronic wires to my wall. This has been designed in FreeCAD and then 3D printed. It uses an 18mm diameter wooden dowell.

This is explained in the video below.
I originally designed the mount for existing spools, but I also created a spool holder as well. It uses a cardboard tube with 3D printed ends.

The files can be downloaded from my Thingiverse collection.
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