A-Frames are so called because they resemble an upper case A when standing open. They can be made from any size of cardstock, although most card makers will usually cut a standard sheet of cardstock (A4 or letter) down the middle to create two long pieces.
1. Begin with an A4 (or letter) sized piece of cardstock. Cut the cardstock in half longways so that you are left with two long strips.
2. Now score and fold the cardstock in half so that it resembles an A-Frame or a sandwich board.
