A piece of A4 colored paper, folded in half.
After folding in half as shown, fold the two corners inward.
Expand along the crease as shown in the picture.
As shown in the picture, fold the two sides toward the middle and the bottom side outwards.
Fold the lower part in half as shown.
Turn over to the back and fold as shown in the picture.
Fold in along the crease as shown, and fold the left side into the same shape.
After unfolding, fold the two sides inward a little as shown.
Fold along the creases as shown in the picture.
Fold it in half along the middle, and fold the small triangle downwards.
Fold it down as shown, and fold the other side down as well.
Fold two small triangles as shown in the figure, and the F15 fighter jet will be folded.
