"Background Image Maker", a free service that creates simple background pattern images

It is a free service that makes it easy to create background images that are based on oblique lines, parallel lines, dot and gradation patterns easily. You can create your favorite patterns by specifying the spacing and color of lines and lines, the background color, whether or not they pass.
Background Image Maker
http://lab.rails2u.com/bgmaker/

After specifying the condition and clicking "Make", the sample comes out on the right side, so copy the address displayed in "URL" when the favorite pattern is generated, paste it in the address bar of the browser If you display it, the original image will be displayed. After that, download it and it's done.

People familiar with images of repeating patterns can be created immediately, but still making these kinds of don tongs is a repetition of pretty complicated work, so these services are saved.