Hi all. I'm about to attempt my first Seminole border!!! And I have a question: The border is to be 3" finished. I'm cutting my squares 2 5/8" to include the seam allowance - I came up with this size by lining up a sheet of paper to my cutting mat, one point being at the 1.5" mark and the two sides coming down from that point being even w/ each other at a 1.5" mark on each side. Then I measured the sides that made the square, and came up w/ 2 1/8". Added the 1/2" for seam allowances.

My question is, am I right???? Do any of you calculate it out like this? Or do you have a resource that you use?

Thanks for any help!!!

Becky