Use this Log Cabin Ruler to cut strips to exact lengths for block sizes up to 13.5in. If you want ease, efficiency and accuracy when cutting Log Cabin strips, look no further! If you have always cut Log Cabin strips to length after sewing them, we hope you will look carefully at the advantages of our rulers. You may be as surprised as we were to discover how much more quickly and accurately blocks can be sewn by first cutting to the exact length.