The original square in a square technique ruler is now packaged with a pattern book called Quick & Easy Quilts using the Square In A Square Technique. The original ruler is an all time favorite, and has a new look. Pattern includes 5 options, 21 blocks and 6 patterns. Here are just a few things that the Square in a Square ruler does: Square in a Square - to make a square in a square, this is the only way to do it. Start with a square in the middle and sew strips on the side. Four easy trims to get the square in a square that you need. This is what we call Option 1 of the Square in a Square system. Make them in ANY SIZE.