Thank you so much for figuring this out. A tiny bit bigger is doable. These blocks are leftovers from another project, otherwise they sure would have been 9 inches.
These stars are an assortment purples & whites. My nine patches are going to be maybe pink & white or should I use some other colour.
Originally Posted by
ljfox
You need to remember that the 9 patch needs seam allowance in it. So you need 3 3/16 strips to make the 9 patch. That gives you 9 9/16 of fabric wide that will end up at 8 9/16 after the seams. It will be a tiny bit larger than the star but close enough.