Originally Posted by
Rose L
ckcowl is correct. I took 10.5 and divided it by 3 which = 3.5. Now you have to add seam allowances and each of the three strips will need a 1/4" on each side of it so that is 1/2" per block x 3 = 1.5. So... 3.5 + .5 = 4.0
That is how I did my calculation too. Therefore each strip should measure 4 inches.