Fabi [FabiClawZ]
Project maintainer for Emulsion-SDK with a couple years of experience in Source Engine Wizardry.
Emulsion-SDK. The Portal 2 modding kit of your dreams!
Emulsion-SDK is a publicly available SDK that you can use to make your very own Portal 2 mods.
It ships with example code that lets you play around with the different kinds of paint the game has to offer.