https://www.cutoutandkeep.net/projects/diy-huge-photo-frame • Posted by Stephanie White
To make your own photo frame paint the large hard board white and the small 2x1" boards black. Nail the 2x1" boards to the back of the hardboard so that they form a frame. On the front side of the hardboard adhere the 3x3" photos using self-adhesive photo stickers to form a grid pattern.