Originally Posted by
Evie
I don't know when Cindy "invented" her ruler, but I have the Quilter's Rule (mine is blue-green from Nancy's Notions) which has the notation Betty Gall 1991.
That's where mine came from too. Used it for a few years until I found the June Tailor ruler. One ruler fuss-free.
http://store.junetailor.com/store/p-...les-ruler.aspx
and for the demo:
http://www.junetailor.com/halfsquaretriangles_video.htm