I'm trying to figure out how best to cover the mirror in the bedroom. We have a Hideout where the TV swivels and you can watch it either in the bedroom or the living room. When the lights are on in the living room, the light shines through the gaps and I'm trying to rectify it. It's not an issue for me, but the baby sleeping in the bedroom doesn't like it. So, I was thinking of sewing a piece of fabric a little larger than the opening and attaching it with a velcro to the wall. That was I can put it away during the day. Now, our TT is in storage and I can't measure the opening, but wanted to do it before our next camping. Does anyone happen to know the dimensions of the swivel unit? Or, is there a better way of tackling this very important mod?