[Aperture Science theme] Cave Johnson here. Gentleman, I give you: Panels! The Planks of tomorrow! Fully Configurable. Infinitely variable. Safe. Aperture-brand panels will assist your test subjects every step of the way. http://dl.dropbox.com/u/1615325/Portal2/Panels.rar More will come since there are a lot of animations for them. Use: Send a trigger input to the relay_open to open them. Send a trigger input to the relay_close to close them.