Diy Bathroom Mirror Frames . To begin diy framing your bathroom mirror, you will need to work with a mirror that is flush against the wall without anything sticking out around its edges. It’s always good to cut a bit longer. DIYMirrorFrame. This is a great idea, although (not being handy with from www.pinterest.com Cut the 1' x 2' down to 4 1/2' to use as. One of the most important parts of. Super easy and it pulled the look together.