Originally Posted by
ghostrider
Technically it probably doesn't matter, but visually it's more aesthetic to have the top and bottom ends go edge to edge (an I instead of an H). Your brain sees it as a column, strong and sturdy. This holds true even for wide horizontal wall quilts; use the top and bottom orientation, not length of border, to show a stronger structure.
Now I am going to back and look at my past couple to see if I did it that way. Thanks.