How to make an origami open cube II

(page 6)

9th picture of origami open cube

09.

Repeat the step #7 (two valley-folds and two mountain-folds) to all four corners.

Then apply four valley-folds to make a bottom of the cube.

Prepare to work on one corner by applying two folds.

10th picture of origami open cube

10.

Apply two folds of the step #9 to flatten the corner.

Prepare to apply a valley-fold.

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