Step 1:
The other side of this paper is white.
Fold in half

Step 6:
Fold over these two lines

Step 5:
Fold over the prefolded lines.

Step 2:
Prefold in half

Step 4:
Fold the edges to the centerline. Then unfold the folds of step 3 and 4

Step 3:
Fold the edges to the centerline

Step 10:
Press flat.

Step 8:
Both folding lines are in the middle of the prefolded lines.

Step 9:
Fold over these two lines.

Step 7:
Press flat.

Step 16:
Curve the edges outwards

Step 15:
Fold the flaps straight upwards and turn the model.

Step 12:
Fold both edges straight upwards.

Step 11:
Slide the edge under the edge on the right

Step 14:
Fold both flaps in half, use glue if necessary.

Step 13:
Fold the edge on the right straight upwards over the pink line.