Office organizer and/or bookmark holder

I have way to many bookmarks. They clutter up all of the space on my night stand. I made this bookmark holder so that I could easily grab one and they are out of the way. It would also make a great office desktop organizer. The design is made so that the bookmarks are on different levels, but there isn't too much material and no support being used. I cut out a triangle from the bottom to make it use less material, but kept the walls all the way down to the bottom. If you wan't to, you can even p