Choose 2 sheets.
Cut the Long part.
You'll get a square shaped paper like this
And if you unfold it, it should look like this one.
<-- Like this.
Unfold And your sheet should look like This.
Here comes the Hard Part! Put a lot of attention.
Your Final Work :)
Now, Repeat all the Steps, But with a little squared paper.
Here you can see the difference between The original square, and the Little One, Cut your paper.
After Repeating All the steps on the new sheet you'll get this again.
It Should Look like This
Just Put It Inside
You have now a cheap and unique Box, You can put something pretty on the inside, and Gift it to A special person. Greetings From México!