take a piece of origami-paper
fold a 'x' and a '+'
now fold it, til it looks like...
:o my piece of paper changed its color ;)do the same at the other side...
fold it :3
on the other side as well :)
we're almost there! , you can use the glue on the sides youve folded ( this is optional)
voilÃ ! there's your heart envelope :3