I was doing some research, and came across a reference to mural processing tubes like I had considered. Still considering what to use for the mesh. I'm looking at something like this, if I can find a more economical source/
Originally Posted by ic-racer
If one were to use the PVC tube on a rolling base, I don't think it would be necessary to fill the entire tube, which would save chemicals. It would probably help to do a water rinse to start with, as I think you may see uneven development from pouring the developer into the bottom of the tube otherwise.