The Lickety Split Log Cabin Pattern requires the 8" Log Cabin Trim Tool from Creative Grids. This inexpensive pattern combined with the instructions or video for the 8" Log Cabin Trim Tool are all you need to get started on your own log cabin quilt - no math -no measuring. The pattern is fat quarter friendly. Quilt as pictured is 42" x 50", but obviously the quilt could be made any size by simply making more Log Cabin blocks. Pattern ships free in the USA.