It’s kind of old in internet years (which last approximately 3 minutes), but I still love it:
Poly in Pictures
The visual webcomic ramblings of a polyamorous probably-20-something stick person.
These works by Cassian Lotte Lodge are licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License unless otherwise stated.
Ahah! I have done this in real life! :p
I KNEW there must be someone out there who has!