Here is the 2ft board all painted, I still need to finish the edges and coat in glue, but then it is done.
The bit that took the time was undercoating it all black and the main problem was the rubbish card I used. Cost me nothing to make but took quite some time to complete.
I have 3 more 2ft square boards but will not be in a rush to make them all like this. I will try to complete one more, which will do for the foreseeable future.