subject: How to Make a Wall Key Holder [print this page] Now here comes the fun part; designing the wall key holder. Since the wood used measures 8x6 inches, there is a lot of unused space. You can maximize the use of this blank space by putting some designs or drawings on it. You can write names, draw pictures, create colorful designs, put stickers, or even pin photographs. The beauty of making your own key holder is you're free to design it in whatever form you want. So be creative and have fun.