How to make a heart origami envelope (page 12)

 

21. Turn the origami envelope over.   Prepare to valley-fold in half horizontally.

22. Valley-fold in half horizontally.   Prepare to apply a flat-fold (i.e., unfold).

 

 

 

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