rails_assviz allows you to quickly see how your Rails models interrelate with their associations. Example usage: ruby ./rails_assviz.rb --in=~/projects/myrailsapp/ --out=~/Desktop/assviz --format=png,pdf --program=dot A few changes ruby ./rails_assviz.rb --in=~/projects/cd/rails/panda_lazer/ --out=~/Public/Drop\ Box --format=png,pdf --program=dot