Pleat Fold: This fold technique creates a zigzag fold in the paper.
How to make a pleat fold
Start with a square sheet of paper. Fold in half.
How to make a pleat fold
Now, we make two valley folds: valley and mountain fold.
Make the first Fold: Decide on the width of your pleat. Fold a portion of the paper parallel to one of the edges to create a valley fold.
How to make a pleat fold
Make the second fold: Take the two two layers, and make a valley fold, parallel to the first fold.
Finished pleat fold
You should now have a zigzag pattern in the section of the paper where you made the folds. This is the finished pleat fold.