First, we put the double layers to see the different perspectives. Second, we measure the difference of degrees to test out whether from our front view or different angle is shown. From our front view, we can see the picture clearly. When the angles adjust between 35 to 40 degrees, the views change from mid dark to completely dark.
ZERO DEGREE’S VIEW 
15 TO 25 DEGREES’ VIEW
35-40 DEGREES’ VIEW
