800mm just think of the cool fights over it. I assume batman has climbing rules.
You know I am not sure about the climbing rules but what a board it could be. Something very different indeed.
Do you remember the gaming board for Eden we saw at Salute all those years ago…http://the-dark-templar.blogspot.co.uk/2011/04/salute-2011.html
An inspiration. That is exactly the kind of thing we need. There are some good practical ideas there.