TNT duper credit goes to ilmango, the rest of the machine I designed myself. I don't want to spam my videos so if you're really interested in how to build one check my post history and there's a post in a different subreddit with a link to the video. More on reddit.com

Ilmango - worldeater or diamond mining machine

https://youtu.be/oWUpTIirzJQ

Is working. I have this in my survival world.

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noice, skeletonized ice bridge xd More on reddit.com

For years I have though a project like this was impossible due to the limitations of the game. But after teaming up with some of the great Redstoners from the technical community I am proud the present the first ever Automatic Infinite Tunnel Bore Machine. It slowly digs out a hole by sticking blocks it mines to the drillhead. When moving back the drill moves back to a station where all the mined blocks are carefully removed from the drill using two way flying machines. These blocks are then transported with a clever conveyor system and brought to a Withercage. The Wither in this cage is then tricked with the help of snowballs into breaking these blocks. The blocks that are broken are collected by a hoppersystem which transports the items to an item-filter which neatly sorts everything mined into specific chests. All of this is done with conventional Redstone without the use of mods or command blocks. Maintenance every now and then is required seeing as gravel and sand may cause the drillhead to get stuck due to the piston pushlimit. Same goes for lava and water which may cause unintended blockupdates on the drill. Also obsidian is obviously a block which cannot be mined. Whenever it runs into an issue the beacon switches to an orange colored light and stops the machine indicating at long distances that something is wrong. This project is probably the coolest I have ever been a part of and I hope you take the opportunity to check out these awesome people. This is project is a collaboration between: Cubehamster: https://www.youtube.com/user/cubehamster Alex_You DicotheRedstoner: https://www.youtube.com/user/DicoTheRedstoner PeterJiangTW: https://www.youtube.com/user/peterjiangTW Mitchu: https://www.youtube.com/channel/UCS-ggPsnio9TRuDxMS1i6cw Also special shanks to: Panda4994: https://www.youtube.com/user/Panda4994 Daniel Kotes: https://www.youtube.com/user/DanielKotes Lx35z: https://www.youtube.com/channel/UCvKQQZ2KceRBfeOcbTMIkXw Myren Eario: https://www.youtube.com/channel/UC-wR4ekYCWwbIuqwGe1H9vg Amos Redstone: https://www.youtube.com/channel/UC1-5alHqEiIQnZQLCtuk0DA This video was recorded with the help of Pixelcam by CrushedPixel and Tickrate mod for 1.9.4. by Guichaguri Worlddownload can be found here: http://www.planetminecraft.com/project/automated-tunnelbore-machine-no-mods-no-commandblocks/ More on reddit.com