Spraypaint on canvas and some marker.
I spent an entire hackathon at Facebook creating this post-it Link.
This is a huge banner I helped paint for Hackers Party sometime ago
Easy way to make a single small stencil take up a lot of room.
This is some alien squid thing on the basement doors. This character evolved into a 4 legged octopus called Quadropus. Check out recent posts for more.
Posting some graffiti I must have done when I was 15 or so.
It says “fly like paper.”