A boarder that seems very complicated is easy to sew following some simple steps.
2. Cut equal pieces along the strips.
3. Turn each even piece.
4. Sew together and trim.
In my case I cut three strips:
1,5 " blue printed strip (it was 1" printed strip on the fabric)
3/4" dark red strip
2 " white strip
Sew them together to have such long strip.
Don't worry you have to trim.
In my case I want to sew table napkins, so add a 2" strip on the left and 11,5" square on the right.
Right side together sew with the backing fabric leaving 4" opening for turning over.
After turning over iron well.
Stitch along the boarder and the edges.
You are ready for serving!