Originally Posted by
Papallion
I print mine out on custom graph paper. Make a light gray hollow square 21 by 21 squares, and copy-paste it to a 16 by 11 grid. Make the outer edge black. Print it out with the smallest margins you can, then either print it 20 times or copy it. Cut it out and tape it together to make a large map. I used to make maps like this all the time as a kid, and now, as an adult making map for Zelda Classic.
I also make a grid of 44 by 64 rectangles, 8 by 16, to make a quick rough map that I use as a 'see how it looks all together' map. Map making is such fun!