Step 1:The other side of this origami paper is completely pink.
Prefold in half over this line.
Step 2:
Valley-fold over this line
Step 3:
The pink part has the same width as the white part.
Prefold over this line
Step 4:
Valley-fold over these 2 lines
Step 5:
Valley-fold the flap downwards over the prefolded line.
Step 6:
Valley-fold over these 2 lines.
Step 7:
Prefold in half over these 2 lines.
Step 8:
Mountain-fold the model in half over this line.
Step 9:
Mountain-fold over the 2 lines in the middle and
valley-fold over the 2 outer lines.
Step 10:
Turn the model
Step 11:
Valley-fold over this line.
The corner indicated by the arrow is pulled upwards
while you make this fold.
Step 12:
Here a part of step 11 is already done.
Press the pieces indicated by the 2 arrows
completely flat
Step 13:
Repeat steps 11 and 12 at the places indicated by
the 3 arrows.
Step 14:
Turn the model again
Step 15:
Mountain-fold over these 2 lines.
Step 16:
Mountain-fold over these 2 lines.
Step 17:
Push the edge indicated by the arrow inwards by
making an inside reverse fold over these 3 lines
(=valley-fold over the short line in the middle and
a mountain-fold over the 2 outer lines)
Step 18:
Mountain-fold over these 2 lines
