How to make a double-bar origami envelope

(page 11)

19th picture of double-bar origami envelope

19.

Start applying the lower "swivel-fold" of the step #15.

20th picture of double-bar origami envelope

20.

Continue applying the lower "swivel-fold" of the step #15.

1 2 3 4 5 6 7 8 9 10

11 12 13 14