On the angled piece of wall that does have a pellet bouncing on it. Put a portal on the angled piece of wall that doesn't have a pellet bouncing on it, then put another portal Test Chamber 17 - The Weighted Companion Cube will Never Threaten to Stab You.Test Chamber 15 - Cake and Grief Counseling.Test Chamber 14 - You are an Excellent Test Subject.Test Chamber 13 - A very, VERY long time.Test Chamber 12 - Fling Yourself into Space.Test Chamber 11 - The Orange Portal Gun.Test Chamber 10 - Something About Momentum.Test Chamber 07 - Do Not Taunt the High Energy Pellet.Test Chamber 06 - The High Energy Pellet.Test Chamber 04 - Reaching Far Off Places.Test Chamber 02 - Get the Blue Portal Gun.
