Debra Wagner's book "All Quilt Blocks Are Not Square" has the template for a 9" block. It's a good book, and there are used copies from $1.83 up at Amazon. I thought once I was going to make enough blocks in yellow and blue for a quilt, but didn't particularly enjoy putting the first one together so changed my mind. Don't know where that block is, but found the template still in my book.
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