How to make a 2D origami lamp

(page 7)

11th picture of 2D origami lamp

11.

Open the region encircled with a dotted ellipse according to the step #10.

Prepare to apply the crease pattern (CP) shown on the left.

12th picture of 2D origami lamp

12.

Apply the CP of the step #11.

Prepare to apply two valley-folds and two mountain-folds.

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