The man, the myth, the legend....luthier Michael Hornick sent me this:
"The body is 11 inches wide and 12 1/4" with the neck being another 20". Total length is 32 1/4". The body depth is 2 1/4 inches with a 5/8" bridge height."
He's apparently had a hard time finding hard cases in the past, though I don't know how recently he's tried to find them.
There is a great company just down the road in Ft. Collins, Colorado Case, that does custom cases. If you're interested in that option, I would give them a call.
You can find them here:
http://www.coloradocase.com/