Step 1:
The other side of this paper is white.
Prefold over the four blue lines.

Step 6:
Squash-fold the flap

Step 5:
Fold one flap upwards.

Step 2:
Fold the corners to the center.

Step 4:
Valley-fold over the 2 lines at the bottom-right. Then mountain-fold over the 2 diagonal lines. And valley-fold over the 2 lines at the top left.

Step 3:
Turn the model.

Step 10:
Fold the triangular flap upwards.
Then repeat steps 6 to 10 three more times.

Step 8:
Fold this edge downwards

Step 9:
Press the edges downwards.

Step 7:
Prefold

Step 16:
Pull the upper paper layer upwards.

Step 15:
Fold one edge on the left and one on the right upwards.

Step 12:
Fold the triangular flap to the inside.

Step 11:
Pull both ends outwards.

Step 14:
Repeat steps 11 to 13 three more times.

Step 13:
Press both ends towards each other again.

Step 21:
The model has 4 thin flaps and 4 thicker flaps (which are made of more paper layers).
Now there is a thick flap on top and on the backside.
Open the model at the next flap see arrow.

Step 19:
Repeat steps 15 to 18 three more times.

Step 20:
Bookfold one edge to the left, do the same on the backside.

Step 18:
Fold the new / extra flap upwards.

Step 17:
Valley-fold over these lines.

Step 22:
Pull / fold this flap downwards.

Step 28:
Turn the model

Step 25:
Repeat steps 22 to 24 on the left.

Step 26:
Fold the legs in half over the length.

Step 24:
The arrow shows the flap of step 23.
Fold the third flap downwards.

Step 23:
The arrow shows the flap of step 22.
Fold the next flap downwards.

Step 29:
Valley-fold over these two lines.

Step 27:
Mountain-fold over these two lines.

Step 30:
Fold the legs in half again.

Step 31:
Valley-fold over the blue line.

Step 32:
Valley-fold over this line.

Step 33:
Valley-fold over this line.

Step 35:
Fold the model in half and create a head by folding over the four shorter lines

Step 34:
Fold both teeth in half over the length.

Step 36:
Press the back flat between your fingers.

Step 37:
Press the tip flat from aside.

Step 38:
Bend / fold the legs into the right shape, see next picture for help.