By thumbnail, I mean the little preview image that shows up in-game when you're scrolling through all of your patterns. Basically, I created a bunch of patterns with symbols that I needed for my characters - however b/c I had to put them somewhat off-center to make sure they showed up on clothes properly, all of the preview images in-game look identical, which makes it really hard to find the specific pattern I need. If there's a way to edit this little preview image, it would be a tremendous help!