Sorry Brain will not engage today. I am going to make a carpenters square for my brother in laws retirement. The pattern calls for 6 1/2" unfinished squares. What size will I need to cut my squares for to do HST? I am thinking 7 and 3/8 , but am not sure. I am going to use this pattern
http://www.quiltfrog.com/fourhour.html
Has anyone else made this one?