Step 1:
Prefold in half over these two lines.

Step 6:
Fold the edge upwards (the left and right part flat) and make sharp folding lines on the nose.

Step 5:
Fold / pull this line upwards

Step 2:
Fold over these four lines.

Step 4:
Prefold over these two lines.

Step 3:
Prefold both edges to the centerline.

Step 10:
Fold / press the left and right part of the edge downwards

Step 8:
Press the left and right part of the edges downwards, see arrows.

Step 9:
Fold over these two lines.

Step 7:
Fold over these five lines.

Step 16:
Make the same fold on the other side.

Step 15:
Repeat steps 13 and 14 on the right side of the model.

Step 12:
Fold over these two lines.

Step 11:
Prefold over these three lines.

Step 14:
Fold into a straight angle, use glue or tape.

Step 13:
Fold into a straight angle of 90 degrees, use glue or tape.