Sometimes you need a box to hold your stuff. Sometimes you have contents that are more suited to a rectangular box. Folding one of these suckers solves both problems.
Video for the clicking-averse:
Whatcha gonna need:
-one slice of square paper
Fold the paper in half and then unfold.
Fold the left and right sides to the middle crease.
Fold the left and right sides from the center to the outside edge.
Flip that bad boy over.
Fold the left and right edges to the center then unfold.
Bring the bottom left corner up to the right-most crease line.
Bring the bottom right corner up to the left-most crease line.
Tuck the right side under the left side.
Bring up the bottom triangle tip and fold.
Tuck the triangle tip into the bottom.
Repeat all the stuff from Step 4 on the other end.
Open it up by pushing the colored part.
Crease the corners to make it beautiful.
Fill with your junk and enjoy.