Originally published on my Knots and Bolts blog, moved here to start seeding my new website!

I want to start by saying that I have no illusions about the originality of this pattern.  This is a Double 9 Patch, folks, and it has been around forever and a day.  What I want to share with you is the MATH that I did to figure out the yardage and details for this particular version of this quilt.  I’ve made (or helped others make) several of these lately, and since I went to the work to do the math, I thought others might be interested, for a time when they need a simple, but effective quilt.  And for some day in the future when I want to make another one and don’t want to have to RE-figure out the math…

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