How to make a large heart origami envelope (page 13)

 

23. Keep applying the "inside reverse-fold" of the step #20.

24. Complete applying the "inside reverse-fold" of the step #20.   Prepare to apply another "inside reverse-fold" .

 

 

 

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20