Diy Movie Poster Light Box . 2 pack led daylight roll ($19) we need a total of 3 rolls per lightbox. Mark windows on every side of the box. Vintage Marquee DIY from ohhappyday.com Mark windows on every side of the box. So i started searching online that same night and found a 3 pack of cheap plastic movie posters ($60 shipped) that will make the ultimate sacrifice for their plastic front piece to. Geek this look with the following materials: