Gather a sheet of paper
Fold the paper in half lengthwise
Fold the top corners down to the center crease
Fold the bottom strip up on one side
Flip the paper over
Fold the bottom strip up on the other side
Open the bottom edge and flatten the paper into a triangle shape
Fold the bottom corners up on both sides
Fold the bottom strip up on one side
Flip the paper over again
Fold the bottom strip up on the other side
Open the bottom edge and flatten it if needed
Pull the two bottom corners apart to form the hat
Adjust the folds to fit your head