Take an A4 size paper.
Take the right hand side top corner of the paper and fold it to the opposite side diagonal.
Fold the turned side into half joining the corner of the folded paper.
Open the square and you will get a small square at the corner of the paper.
Fold the small square joining the two diagonal ends.
Open the paper.
Again take the corner and place it to the line appeared in the center.
Open it and again fold it to the upper line appeared from the last fold.
Open it again and fold it joining the tip to the line appeared from the last fold.
You should get the triangle divided into 5 parts.
Then fold the spaces left in the same way with little gaps.
Now fold it into zig-zag way.
Flip the object holding and taking care of the zig zag design we made.
Fold it half from the diagonal line that you can see.
Take the bottom corner of the paper left below and fold it to the opposite diagonal.
Do the same with the opposite side too.
Fold the designing triangle properly.
Then fold the object from the center.
Then fold the lower part backside (You should get a small part coming out from the back)
Take the extra part that is out from the object and tuck it inside the flap
Press properly from the entire crease.
And here is your stylish leaf let ready.