The concept behind the design was to be able to visualize the number of doors in each possible room using the construction skill.
It is possible to download it, and then open it up in Windows Paint or another comparable software to edit it on your PC. Print it and cut out the squares, or do it by hand. To get the desired effect, you'll need to cut or print more copies.
I am currently in level 50 construction, and have not yet created an dungeon. If I committed a mistake with the location of the doors for the two doors in