Portal Spawners, also known as Portal Doors are test mechanics that appear in both games. When activated, it creates a portal which is linked with the Portal Gun. Usually, the created portal is orange. They appear at the beginning of both games, when you dont have, or have a single-colored portal gun. They are usually activated by a timer, a button, or by entering the test chamber.
Trivia
An icon of a Portal Spawner can be found in the Puzzle Creator's files.
Gallery
Portal Spawners
Active Portal spawner with orange portal in it as it appears in Portal
Active Portal spawner with orange portal in it as it appears in Portal
Inacive Portal spawner as it appeared in Portal Beta
Inacive Portal spawner as it appeared in Portal Beta
Unused icon of Portal Spawner from Puzzle Creators item palette
Unused icon of Portal Spawner from Puzzle Creators item palette
