How to make a simple square origami spring(page 10) |
17. Start applying four "open sink-folds" of the step #15.
Let us concentrate on top and bottom ones (indicated as #1 and #2).
Prepare to finish applying two "open sink-folds" there. |
18. Complete applying two "open sink-folds" of the step #15.
Now, we need to make sure if we are applying both two "valley-folds" and two "mountain-folds" for top and bottom sides according to the step #14.
Prepare to rotate the model by 90 degrees. |