Originally Posted by
NiaJane
I saw a blog post recently by Anita Grossman Solomon in which she sewed the square on with the diagonal seam then moved out 3/8" toward the corner and stiched another diagonal seam beside the first seam. Next, she cut between the two seams and had a square made from the leftover half square triangles. She saves them for other projects.
Hope that makes sense...

It does make sense. I read that somewhere too. But after the fact. The pattern had two different size geese. So it would've made a lot of HSTs doing it that way.