Originally Posted by
Handcraftsbyjen
Make half square triangles in the bottom two corners on the back, then go to the hardware store and buy a wooden yardstick and cut it to the size of your back and slip it in the half square triangles. That is one way to help keep its shape, or make four half square triangles, one for each corner and make a frame for it on the back.
Definitely an idea I will use. Thanks