I had posted a quilt made with these four patches. Some ladies wanted to know what size I started with. I used 5" charms for a different way to make 4 patches.
So, hopefully you will understand my pics... :D
Step 1 - Sew 2- 5" squares right sides together on each side.
Step 2- Cut result in half between two seams at 2. 5 inches
Step 3 - you will end up with two pieces 5" by 2.5"
Step one - sew both sides
Step two- cut result in half
Step three - you will get this