Originally Posted by btty
your two outside strips will only have one seam so will measure 1 1/4 inch each after sewing to the middle strip which will have two seams and measure 2 1/2 inches after sewing. you will end up with a 6 inch square which will be the same size as the solid square.
Diana... it looks like you have cut your strips correctly and your 1/4" seam looks good to me. I agree with Rox17....press that baby and see if that helps.
After sewing and pressing your seams, your 2 outside pieces should measure 1 3/4" wide and the middle strip should measure 2 1/2" wide.
Pressing those seams before you join them to the 6" blocks will give you much better results.
By the way....I love the tool fabric.