How to make a 12x12 matrix origami base

(page 3)

3rd picture of 12x12 matrix origami base

03.

Apply the vertical "Z-fold" of the step #2 and then unfold.

Prepare to apply two horizontal "valley-folds" and one horizontal "mountain-fold" and then unfold.

4th picture of 12x12 matrix origami base

04.

Apply two horizontal "valley-folds" and one horizontal "mountain-fold" of the step #3 and then unfold.

Prepare to apply two vertical "valley-folds" and one vertical "mountain-fold" and then unfold.

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