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Portal 2 Hints
How can I get a franken-turret onto the big red button?
1 of 8: Notice the button pedestal that's on the exit ledge.
2 of 8: Press its button to get a franken-turret dropped onto the first faith plate, which will catapult it over to the second faith plate's platform, where it'll tumble into the abyss.
3 of 8: Once again, you'll need to set up an extended funnel to catch the franken-turret.
4 of 8: There are several ways to do this, the most obvious and easy one being to put the blue portal on the small platform that's between the two faith plate platforms.
5 of 8: Put the orange portal back on the wall where the excursion funnel hits it, then press the button to get a franken-turret dropped and tossed into the extended funnel.
6 of 8: After it reaches the ceiling, relocate the orange portal onto the slanted surface across from the exit ledge.
7 of 8: TIP: Put it on the right side of the slanted surface so the franken-turret will break Wheatley's monitor, thereby earning you Smash TV achievement credit. If it lands on the big red button, you'll also get the Drop Box achievement if you didn't already get it earlier in the game.
8 of 8: Pick up the franken-turret and drop it on the big red button to open the exit door, then optionally bash Wheatley's other monitor for more achievement credit before leaving.