Use a standard A4 or letter-size sheet
Make sharp, precise folds
Fold the paper lengthwise in half, then unfold
Fold the top corners to the center line
Fold the new top edges to the center line again
Fold the nose down to lock the folds
Fold the top edges to the center line once more
Fold the plane in half along the center line
Make both wings the same size
Fold each wing down evenly
Add a small upward angle to the wing tips
Keep the nose pointed and symmetrical
Press all folds firmly
Test and adjust the wings for balance
Use a clean, unwrinkled sheet of paper