A diagram of a rectangular prism with three horizontal bars. The bars are arranged in a horizontal line, with the top bar being green, the middle bar being grey, and the bottom bar being blue. There are three red arrows pointing towards the top and bottom of the prism, indicating the direction of the light. The arrows are pointing in different directions, with one arrow pointing to the left and the other pointing towards a right.
User izaiahen uploaded the image
User izaiahen uploaded the image
