Quote Originally Posted by Sandy Navas View Post
Hate to disagree with Katie - but the seam on the blocks that Lisa described are NOT on the diagonal. If you are doing HSTs she is correct. But, using Jenny's method of sewing two charm squares (5.5") together, right side to right side, and sewing all around the outside 'circumference' and then cutting an "X" through from corner to corner, you are literally combining two squares into one - therefore by adding 1+1 and subtracting the seam allowance you still have more fabric than the original size . . . so, you are essentially comparing two squares to one square . . . .

I understand, even if I can't explain it. Take two graham cracker halves, cut in four pieces. Lay them out in any quilt fashion. Now lay one half of another graham cracker beside the 'new' square and you will see what I mean . . . .
Doh! Forgot about that part too. Thanks Sandy!