Overhead filament holder for TAZ 4

I had extra 3/4 copper pipe laying around and decided to use it to hang few spools of filament above my printer.

You can change hole diameter or make it square in Freecad - just modify first sketch there to use what you have.

I made hole diameter slightly larger to accommodate my printer's tendency to make holes smaller - as a result pipe fits with slight resistance, which makes it hold whole assembly very well.

I printed it with 50% infill and 0.5mm wall thickness. I also tried both 1