Create a wallpaper pattern using any technique. Extra credit: Install it on a wall or make a digital version for people to use on their computer desktops. With winter looming, this was the perfect occasion to make a new desktop wallpaper for my work Mac. After all, the current one had been there for almost a year and was well due for a change. I put this one together over lunch from a bunch of stock images, and this is what it looks on my monitor!