Good Morning! I was trying to explain this half square triangle technique to my mom yesterday on the phone and I decided that pictures would be better than words. I am pretty sure this technique has been around for ages, but I first saw it done by Jenny Doan of Missouri Star quilt company. I think.
1) Take 2 squares the same size.
2) Lay them on top of one another
3) stitch around the entire block
for real, all the way around
4) Slice in quarters diagonally
Now press. I like my half square triangles to have their seams open.
Half Square triangles are cool. You can do all sorts of layouts with them.
Happy Quilting Mom!