This script uses tiles that can be purchased here:

https://marketplace.roll20.net/browse/set/522/dungeon-mapper

There are four other tiles and a test map (useful for setup) that are free for down load here: https://www.dropbox.com/sh/82osy9xgpwbnwrp/AAAEEsv3fvG7mPDAAhvvJV3_a?dl=0

Helpful table to refernce so you don't go too crazy setting up the tiles. https://docs.google.com/spreadsheets/d/1zn5VdRAQIz7HQGRR9heTYJzg-V8lnKNARzP_JqJICLQ/edit?usp=sharing

Command is: !DungeonDrawMenu