Try giving a few more details about what you want. Are you looking at something to set beside a TV, hide behind a TV, set a TV on, put in closet, tall, short, use as a window seat, mount on the wall, etc.
I built one years ago with a vertical center opening that housed my xbox 360, on either side of that was an opening for controllers...see the artist rendering below. It was a pretty ugly box. I stained the entire outside and painted the interior black.
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