Printable pdf board with scoring track, for full sized Go stones (it's 15x16 inches, so you'll need to print it at a printing store if your printer can't handle oversized jobs - I recommend having it printed on foam board. Alternatively, if you print a pdf from Acrobat Reader, there's an option in the print window to print the board on multiple sheets of paper such that they can be joined to create the full size board. Failing that you can use afree program called PosteRazor
to do the same thing. I tried to make it visually pleasing in a minimalist way. Enjoy.