All you need is 2 sheets of paper, nothing else
Step 1: Should We Start Folding
do it for the second.
do it on the other side, then on the second paper.
Squeeze them in like in the picture
Step 4: Now One by One, Unit by Unit, Atom, by Atom
Under the flaps fold in the rectangular flaps to the center. do this for the second.
the second one.
Fold one of the front flaps downward
Turn the paper over
Where the unfolded flap is fold downwards.
Fold it in half and then fold the flaps at the front into the back of the flaps at the back
( see pics for clarification)
Turn the paper forward
Step 6: Finish
Put it in the other unit, and close the second unit again.