Originally Posted by
par4theday
If you want a 12 1/2 inch block, make all of your squares or HST 2"
That is the cut size of the squares - they "finish" at 1-1/2 inch.
Make your HST units "finish" at 1-1/2 inch. If you use the cut the squares on the diagonal method - cut the squares 2-3/8 (or 2-1/2 inches and trim the sewn units - my preferred way to do things)
6 x 1.5 = 12