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change your mirror frame just by the sheets of paper ;)
Print your paper (I used A4 scrap sheets, 'coz it can save our world)
Fold a paper of sheets to be 3 piece, cut. Doing the same steps to another sheet.
After that, insert the edge of paper (width +- 1cm) to the frame
fold another side and insert the clear tape to locked. Do the same steps until your mirror's frame wrapped with sheets.
For the corner side, you can cut 1 cm of the paper and it's look like this pict. then, insert the tape on another side, until the paper wrapped the frame.