Here's a Round Robin I participated in back in 2003(?).
I did the outer ombre wavy border.
I made strata of over 20+ fabrics; my strips were thin because of the effect I wanted and the length of the space I had to do it.
I cross cut the strata into the widths I need for the border, and then attached those to the navy using the method I mentioned upthread.
I do remember it was a &#*@! to match up those miter corners.
But since you're going straight across, it will be a much cleaner process.
Not one pin was used during the whole process. ;-)
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