Make a valley fold along the first diagonal : |
Like this : |
Unfold : |
You get : |
Do the same thing on the other diagonal (the double arrows means "fold then unfold") : |
You get : |
Fold one side to the middle : |
Like this : |
Unfold : |
|
Do the same thing for the 3 other sides : |
You get : |
Fold the 4 corners to the center of the paper : |
You get : |
Unfold : |
Fold the center of the upper side to the center of the paper : |
You get (the model will not remain flat) : |
Do the same thing on the 3 other sides : |
Like this : |
Take 2 opposite points and fold them : |
Like this : |
Fold the model in half : (mountain fold) |
You get : |
Valley fold : (mark the pleat) |
You get : |
Unfold : |
Open and reverse the upper point following the valley fold : |
Like this : |