Today, the 14th of september 2014 (hah), I present to you: The fastest possible 4x4 piston door (in the current versions of minecraft)! Thank you for 20.000 subscribers!
Features: - Works in 1.5 through 1.8, and likely many versions beyond. - Works on Servers, including bukkit. - Opens almost instantly. (0.15 seconds!) - Dimensions: 32x13x5 = 2080 blocks (compacted version) - Abuses 0-tick pulses.
Thanks to: - Sidney600MC (for being my redstone buddy!) - Mumbo Jumbo (for about 30% of my subscribers!) - Cubehamster (Same) - Fennoman (for being in the video!) - And of course, YOU, for being one of my subscribers! :D