Hard Light

Hard Light Bridges and Hard Light Walls are a puzzle element of Portal 2. They are solid slats of light produced by special emitters, and can be redirected through portals (just like lasers and [[Funnel (Portal 2)|funnels). Bridges are horizontal, and players can use them as a floor or ceiling. Walls are vertical, and can be used to block turret fire or catch flying objects, like cubes. They can also be painted with blue gel.

Use a prop_wall_projector to place one in your map.