Getting pumped with this effect to be displayed in to your window? With this guide it will explain how to achieve this effect for your windows methacrylate.
Using the Photoshop in your system, try the typical image of the matrix in green letters, and through the image menu, mode, grayscale, and then applying threshold 120 and get black background and the letters with white matrix.
You will need to print the images by clicking the print options and indicate that the paper is in transparency then print it in black. After printing the images, insert it inside the box then close it. You can see the effect everytime you turn on your pc.