This video, titled ‘Minecraft – Cactus Harvesting Machine in 0,0, Trap’, was uploaded by r4NGe on 2010-10-24 07:48:55. It has garnered 19177 views and 65 likes. The duration of the video is 00:04:38 or 278 seconds.
Cactus machines have 1 simple principal, place a block adjacent to the second cactus block. When the third grows, the top two pop off.
Download the world: http://dl.dropbox.com/u/6815313/blokistan.rar Best if used with ControllerBlock
Here I show a complex one and a simple one, built into a quarter of a 0,0 trap.
0,0 Trap: http://www.minecraftforum.net/viewtopic.php?f=35&t=55552