Hi sscott, There was no problem at all setting the image as wallpaper. There IS a subtle seam but not what you could see. I have no idea what went wrong with your student's model (if you can attach a template with it, we can have a look) [image: oP9j_Untitled.png] Note however that this image (for a tiling background) is extremely large and unnecessarily heavy in file size, too. 850x850 pixels is not needed for such a tiling background - you can downsample it to its fractions without any visual quality loss. I do not know if this caused any display issue on your computer. Untitled.skp