Hi :D , I had a quick word with Patrice and found we were both thinking along similar lines for making this withou Y-seams and paper piecing. I decided that it would be better if I did something different (more options are always good :P )
Now I know foundation piecing is not very popular but I'm quite partial to the method so decided to do mine all foundation pieced. Below is what the pattern would look like. If any body is really into foundation piecing and wants the pattern, let me know and I'll post it here :wink:
Pic of North Star foundation piecing pattern
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