I made five 4" by 4" dungeon tiles, which is 80 square inches, almost twice my usual batch of tiles. When added to what I've done already, this is how big a single room I can make:
14 by 14 squares, with four squares to spare. That's a pretty big room (70 feet to a side). If I wanted to mix it up, I could build something like this:
I'm probably going to take a little break from this project. It has turned out well, but until I'm closer to doing a fantasy game I'm going to focus on the games I'm actually doing.
Speaking of which, it's game night tonight...