Step 1: The finished solar panel and LED
Step 2: The crease marks
1.Fold it diagonally both directions.
2.Take the top corner and fold it down to the center and unfold.
3. take the bottom corner and fold up to where you just made a crease with the top, and then unfold.
4. Take the top corner and fold in half to the first crease line and in half again then unfold.
5. Take the bottom corner and fold it in half to the first crease line, unfold.
The crease marks should look like the ones in the figure.
Step 3: Begin to fold
(as shown on the right) next fold the ends back out and tuck them in under the white triangle.