Tip:
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X
Fold in half and unfold
Bring the top-left edge down
Bring the top-right edge down
Unfold
Bring the bottom-left edge up
Bring the bottom-right edge down
Flip over
Fold the edge to the center line. Let the flaps underneath flip out from the underside
Repeat
Rotate
Fold the right side corner to meet the center line and unfold
Fold the left side corner to meet the center line and unfold
Make a rabbit-ear
Rotate
Repeat
Flip over
Fold both tips to meet the line and unfold
Fold both tips to meet the existent crease and unfold
Squash-fold both sides as shown
Fold again both tips
Fold in half
Fold both flaps to meet de center line
Unfold halfway all four flaps
Fold the top tip to meet the existent crease and unfold halfway
Fold the head to the left and to the right
Here are two possible models, choose the one you prefer
In the end give it same cool shapes as shown
Elf Done!