A simple, rectangular cable channel with holes on one side for mounting onto surfaces using screws.
I cut a triangular lattice into the top of the channel to save on print time / materials. You can easily edit the model to remove the lattice if you prefer that aesthetically.
I used this to mount some fan cables to the ceiling of my print enclosure, but obviously it can be used for other purposes/surfaces.
I printed this in PLA+ at .2mm using a Prusa Mini+.
The author marked this model as their own original creation.