Once you get used to the controls, it's very quick and has a ton of useful features (including export to dot so that you can further customize things.)
I use graphviz, https://github.com/anaynayak/aws-security-viz, and xdot.py somewhat regularly to mechanically generate pretty graphs of things like connectivity between EC2 security groups.
It's wonderful and I love being able to use my $EDITOR / awk / sed / etc to manipulate the results.
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