Eleanor Burns has put together a ruler that makes cutting log cabin blocks a breeze! This special ruler makes Log Cabin Blocks in 6in and 12in finished sizes. The ruler is easy to read with clear bold markings. Stack up to four layers of fabric and cut the desired log of 1-1/8in for 6in blocks or 1-3/4in for 12in blocks. Frame lines are provided for center squares of 1-1/2in and 2-1/2in. You will love this ruler, it will soon become your favorite!