I designed these letters to use to separate my books in my classroom library. I use a "traditional" library system where my fiction is alphabetized by author's last name.
Each file is one photo. For example, A/B is designed as one 4" x 6" photo to be cut in half: A is 4' x 3" and B is 4" x 3". I print my photos at Costco, but you can print them at home just as any other photo, or at any other photo processing plant.
Mine are glued to construction paper and laminated twice, but there are other ideas and directions included.
If you do not care for the turquoise background, please contact me and I will create a different color for you. I can do orange, brown, sky blue, seafoam green, and red with the black letters.