A super bright LED strip/diffuser with an open back, that can be installed on pre-installed lighting. I used a little hot glue at about 6 inches. A 1×5V, 1-meter strip lights up the whole room. I got it fromhttps://makerworld.com/en/models/649747?from=search#profileId-576186A lot of inspiration was gained here; you can check out his work.