Remixed with a 22mm hole so you can use ½" PVC Pipe. Note: PVC is pretty flexible, so keep spans short. I find a 24" span works ok but I wouldn't go much wider.
I printed with PETG using a 0.6mm Nozzle.
Uses the standard Wall Cleats, so I didn't include them here.
The author remixed this model.
Remixed with a 22mm hole so you can use ½" PVC Pipe.