take a piece of origami paper, any color you want :)
fold a triangle..
fold 2 triangles pointing to the middle :p
now it should look like this ;)
now fold a...
yeah! we're almost there..
and fold back :)
there's an opening at the upper leg of your small triangle... put your fingers there and fold a square, it should look like this.
it's a little envelope :o
cut a heart, this is optional ;) but still cute :3
voilÃ , you're finished!