Overlapping to create a large screen. I see in the image of the projected turtle that the screen is larger than 60"- so I am assuming that the larger screen is created by lining up strips, is this cor

They turned the film sideways for this install, but you can seam this product either vertical or horizontal with no issues. It is always best to overlap and double-cut for best results. The 60" width became the height in the turtle image.