Morphing DIY robot looks like a Portal 'bot for real - SlashGear
ArtStation - Portal robot
Wheatley (Portal) - Wikipedia
Valve Archive on Twitter: "Portal/Portal 2/Art/Robots/coop_bots_concept4.jpg Found in folder: https://t.co/PtFsCOFiNd https://t.co/yVKCNGrV4v" / Twitter