Had been a while since I made this so i had forgotten exactly what I did in my original post. The quilt from Costco is 70"x60". All I did is cut off a 3 (I think) rows to make it 70"x48" then sew on the channels and add the shock cord. Since the Costco is 16oz stock, removing the 3 rows and adding the channels and shock cords made it a little over 16 oz. Not bad for $25 or so.
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