How to make an origami butterfly based on closed sink-fold(page 3) |
03. Apply the horizontal valley-fold of the step #2.
It is actually easy to apply this fold since the top of the triangle should be located at the center of the height.
Prepare to unfold. |
04. Unfold the previous valley-fold of the step #3.
Prepare to apply a "closed sink-fold" using the crease line that you just have made.
Try to learn what "closed sink-fold" is from the link. |