This tutorial will teach you how to make an origami F-15
Step 1: Fold Diagonal
Fold the top edge to the side edge.
Step 2: Other Side
Repeat the process for the other side, then unfold
Step 3: Fold Hot Dog Style
Step 4: Starting the Waterbomb
Fold from the corner with the points to the other creases on the paper.
Step 5: Waterbomb
Lift up top flap and push corner to the middle.
Step 6: Repeat
Do the same for the other side.
Step 7: Flip Over
Flip the whole thing over, and fold the top piece down to the start of the triangle.
Step 8: The Edges
Fold the top edges of the rectangle into triangles.
Step 9: Waterbomb(cont.)
Fold these triangles like the waterbomb.
Step 10: Down
Fold the whole top piece down
Step 11: Starting the Plane
Fold the outer edge of the triangle to the middle, then simply bring it to the other side.
Step 12: Fold Again
Take this new edge and fold it to the middle, so that when it unfolds, it looks like that.
Step 13: Repeat
Repeat the process for the other side.
Step 14: Unfold
Unfold the top flap.
Step 15: Starting the Wings
Bring the crease furthest from the center to the center, and push the middle crease down. Those images show the front and back of the result.
Step 16: Repeat
Repeat the process for the other side
Step 17: The Wings
Bring the wing across and under the flap on the back. Then fold the wing back so it is in line with the center.
Step 18: Repeat
Repeat for the other side.
Step 19: Fold the Tip
Fold the tip into more of a point.
Step 20: Make the Plane
Fold the plane in half, then bring both sides down.
Step 21: Finishing Touches
Fold the top flap on the back wing up.