Put the cube on the button so the pull of the funnel reverses. Use the funnel to push the turret away, and then use it to bring you the cube. Jump out in front of the door and let the cube press the button. Use the funnel to get up to the roof with the cube, and line the funnel up with the button. Move the funnel so it catches you when you use the faith plate, then jump out the side of the funnel into the first side of the room. Get across to the other side of the room with the funnel, then use it to catch and bring you the cube from the dropper (by pressing the button).
Do the same trick with the cube from last room to hold it on the button with the funnel. Use the funnel and portals to make your way across the room and to the button. Take the cube down the bottom and place the funnel under the button and the cube in the funnel. Use the funnel to get up the top, and to get across to the cube. Get ready for Wheatley's self made test chamber, this is going to be hard!. Make your way into Wheatley's test room through the vent and place the Franken-cube on the button. You can jump to nearby pages of the game using the links above.
