Don't make fun of me! This is my first one.
1 piece of paper
Step 1: Fold
Fold the paper like shown in the picture.
Step 2: Fold Again
Fold the paper again but this time on the opposite side of the paper that you folded it before.
Step 3: Repeat
Repeat those 2 steps until you get to the end of the paper.
Step 4: Fold
Fold the paper like seen in the picture. Then you're done unless you want to do the BONUS!
Step 5: BONUS
Connect multiple of these together to make a bigger fan.