I needed a little shelf for some glue, and wanted to hang my glue brushes from the front, so I made this! I also decided to add some holes to stash pens, pencils, etc. I printed this in ABS-GF with a color change at the top just for looks- you don't have to have that at all. The pen holders are at about a 10 degree angle, which is pretty shallow but minimizes vertical space. Screws to a wall using four screws. The model needs some supports underneath- you may be able to get away with bridging, but the curves probably won't work well.