Basic Form Two:

1. Crease a square piece of paper as shown.
2. Fold left and right edges to meet on vertical midline. White side of paper is inside.
3. Fold upper and lower edges to meet on horizontal midline and unfold again.
4. On dashed lines, crease by folding left corner right and right corner left.
5. Lift lower edges and pull up and out.
6. Fold to meet horizontal midline.
7. Repeat steps 5 and 6 with top.

This is Basic Form Two