How to make a heart origami envelope (page 13)

 

23. Apply the flat-fold of the step #22.   Prepare to turn the origami envelope model over.

24. Turn the origami envelope model over.   Prepare to apply a horizontal valley-fold.

 

 

 

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