As a matter of fact, Andy does use a Volcano board and some ELBS to make a Twin Win board in his
video explaining the game. Although he first shows us his fancy custom 3x4 board and his lesser, paper board, the 5x5+ELBS board comes in at about 1:10 in the video.
By the way, James Hamilton, your name sounds familiar. I can't help thinking that I have heard a name similar to yours somewhere before...