The goal of this step is to fold each square in half and sew along the short edges.
*A note about thread - It is important to use thread that matches the color of your squares.*
Fold one square of fabric like this.
Sew along one of the short edges. I start sewing at the "top" (the edge that isn't folded.)
I like to chain piece them, it keeps everything together.
So, continue folding and sewing along one of the short edges. Do this for all your squares.