I'm certain the official design will be on the cover of the next DRG3 DS9 book next year.
While not 100% consistent with the description in
Raise the Dawn (it needs a central sphere), I'd be more than happy if they used
Mojomoe's version:
Here's the fanart thread, with a few more fan versions:
http://www.trekbbs.com/showthread.php?t=192700