Smooth stone generator

Smooth stone generator DEFAULT

Introduction: Cobblestone & Stone Generator(s)

Hi , in this guide I'll be telling how to make different cobblestone generators . At one point , its easier to make a stone generator , so there's also one stone generator among them .

These can be useless at the overworld , in survival , but are the most important machine at skyblock . You can also make one in the end , and make stuff there without having to take lots of stone/cobblestone .

Step 1: Model 1- Super Simple

This one requires one bucket of water and one bucket of lava , and some 2 block high surface .

Dig some of the ground , like the pictures .

Then , place water and lava , and you should have a cobblestone in that blank space between water and lava , destroy the cobblestone and another one appears .

Step 2: Model 2- Super Simple Alternative

This one uses much less space than the previous model , but is just the same .

Make a base or dig the ground , like the photo . I decided to make a base .

Then , dig a hole to stop the water flow .

Now , add lava and water . Works like the previous one .

Step 3: Model 3- Super Simple With Hopper

Both super simple models can be made with a hopper , to decrease amount of lost cobblestone . Sometimes , cobblestones fall into the lava and you lose them , the hopper can help decrease this .

Make a channel for the water and lava like the photos . Then destroy one block and place a hopper .

Now place lava and water .

Step 4: Model 4- Super Small W/hopper

This is the little one with a hopper .

First , place cobblestone , like the photos , to make the base . Then destroy one of the cobblestones and place the hopper .

Now place lava and water .

Step 5: Model 5- Piston Stone Generator

The ultimate stone generator . It creates very fast , and If youre using a stone pickaxe like me , it produces faster than you destroy . It needs 6 redstone , 5 repeaters , a lever , and some non-flammable blocks ,(It requires 2 water buckets instead of 1) , and 2 pistons (normal ones , sticky pistons wont work)

[ I've managed to make another one with 2 less redstone , but I should rewrite it all , and take new pictures :( ]

Steps :

1- place repeaters and redstone and 2 block , like the photo .

2- click on the repeaters 3 times to put them on maximum delay mode .

3- place 2 blacks and a lever on the second one . This lever can be removed but you can keep it to re-calibrate the device if it gets damaged .

4- place pistons . To make sure they are heading the right way , go stand in the front of those blocks and place them

5- make a base for water , like the photo .

6- put 2 blocks like this (No specific block , just used new stone so everyone could understand which blocks have been added .

7- add more blocks .

8- Double click the lever very fast , not very important how fast , it is auto-fixed by the repeaters .

9- add lava

10- add water

You can make a cover for the redstone stuff and for the lava , even for the water . I do not recommend a cover for the water , as in some cases the device might jam , and a cobblestone is created that blocks the way of water , not allowing water and resulting in no stone .

Step 6: Piston Generator's Troubleshooting

The piston generator can sometimes have lag or full jams , or sometimes it will make 1-2 cobblestone on start but continues to make normal stone .

- If no cobblestone is coming , open the redstone part and make sure the signal is spinning around .

If that didn't help , look at the water container and make sure it's not jammed .

- don't mine too fast , this may cause jams for some reasons .

- To make sure your device is running , listen to the piston sounds . They keep making the noise even when they stop working (pistons can't push more than 13 blocks and can't push some blocks due to some reasons . These blocks would be bedrock , obsidian , chests , signs , dispensers and more )

- To stop the device from making more stone , simply put a sign . The pistons can't push it .

-How to restart : Remove the redstone under the lever and wait a bit . The device stops . Place the redstone and double click the lever , fast .

-It's a good idea to put a bunch of signs in the redstone part . Just in case the lava container breaks - only 2 redstones are destroyed , signs can protect the rest .

Step 7: Final

Please note that cobblestone generators are not 100 % stone : sometimes the stones falls into lava . A hopper helps , but the piston one is the best . More minecraft guides are coming soon , including a superior stone generator , more redstone guides and a command block guide .

If you have any questions or need any help , feel free to leave a comment / send a message .

Thanks for reading .

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Spreading speed of water should be guaranteed to be faster than that of lava in the Overworld. However in the current implementation, water is only statistically faster and has a small chance of getting overtaken by lava.

This is usually not a problem and could even be WAI but for smooth stone generators the difference of speed is crucial.

Steps to reproduce:

  1. Open the attached test world.
  2. Push the "reset" button to initialize the state of the contraption.
  3. Grab some coffee while looking at the machine absent-mindedly. It may take several tens of minutes to pose the problem.

What I expect to happen:
The machine keeps generating stone blocks indefinitely.

What actually happens:
Flowing lava occasionally lands on the air block in front of the piston, before the water stream pours into the said space. When this happens water ends up flowing into the lava stream horizontally, which does not generate any blocks as expected, and finally the lava stream tries to flow horizontally into water, generating a cobblestone block blocking the water stream and the machine is dead.

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Cobblestone farming is the technique of using a cobblestone generator to produce cobblestone without damaging the terrain. Cobblestone generators work on the principle that when a lava stream comes into contact with water, the lava is turned into cobblestone. This fresh cobblestone then prevents the two streams from touching. When this fresh cobblestone is removed, the two fluids will produce another piece of cobblestone. Variants of the generator can also produce stone, but this is generally trickier, because for stone, the lava must enter the water from above.

Many generator designs exist, but the simplest way is to make a four block long trench with a one block gap in the middle. Then, place water in it at the end closest to the hole and lava at the other end. This will create cobblestone where the fluids meet.

When producing cobblestone, one must be careful not to let the flowing water touch the lava source block. Doing so will destroy the lava source, converting it into obsidian. A basic understanding of fluids is helpful to prevent this. If you place a stair into the water source (flat side to the lava), this will prevent the water from flowing over the lava source, but the cobblestone will still form where flowing lava touches the waterlogged block. Placing a slab over the lava will help prevent the cobblestone from being destroyed by the lava, as well as keep you from falling into it.

Adding pistons can let a generator extrude a whole line of blocks, safely away from the lava and easily mined as a batch. Subtle variations of these designs can produce "plain" stone as described below. The pistons and other arrangements for these generators can also be repurposed for a basalt generator. Basalt generators don't need the water streams at all, just the lava, blue ice, and soul soil. Note: soul soil is needed, not soul sand. You can convert soul sand to soul soil by making and breaking soul campfires.

Reasons to build[]

While the popularity of building any form of cobblestone generator varies, there are many reasons why a player should build a cobblestone generator. Here are a few.

  • Obtaining cobblestone without changing the environment.
  • Need for a massive quantity of cobblestone.
  • Self-repairing objects, e.g. walls, floors, pillars.
  • On a map without stone, e.g. superflat.
  • To obtain experience through smelting.
  • To trade stone with Mason villagers.

Pistonless generators[]

Pistonless generators have been around for quite a while. Their usefulness, however, is limited because cobblestone is so readily available. These generators require the player to mine and collect the fresh cobblestone in close proximity with lava. This both presents risks to the player and reduces efficiency if the dropped cobblestone is destroyed by the lava. These drawbacks can be mitigated by design choices, for example by removing the block under the cobblestone, allowing the loot to fall in a safe place, or collecting drops using a hopper.

Notes about the schematics here: Gold blocks indicate any fireproof block. Water and lava source blocks may be marked with "s" when there is possible confusion. Cobblestone or normal stone appear only where they form. An "x" indicates a place to stand while mining the cobblestone.

Basic generators[]

A lava stream touching a water stream is the simplest type of generator. In a 10 block long trench with sources at either end, the cobble will form next to the lava. With a little more digging, you can manage this more compactly, and even get a current to wash the mined cobblestone away from the lava. This and the next design are easily expandable for multiplayer use.

[Schematic Help]

Fountain generator[]

A fountain-style generator offers more convenient mining, but takes more work to construct than the basic version. This one also uses two lava streams for faster production.

From below generator[]

The "From Below" generator is a small building with the generator on the roof. Putting the generator on the roof means very little cobblestone is lost to the lava, but it is a lot more work. This one also uses two lava streams.

Piston generators[]

Pistons can be used to automate cobblestone generation and reduce the amount of cobblestone lost. Piston cobblestone generators work on the same principle as standard generators, but rather than mining, a piston pushes the fresh stone out of the way, allowing the streams to touch once again. Piston cobblestone generators can be used both to create a large supply of cobblestone that the player can mine later, or to supply a self-repairing structure with blocks. The piston can be driven by a clock, or by a circuit to detect when a cobblestone block has appeared. The cobblestone will extend in a long line or pillar; if you don't want it to extend out to the full 12 blocks, you can "cap" it with any unpushable block. Furnaces will do fine, and you have plenty of cobblestone handy to make them.

Components of a piston generator[]

There are three basic components to consider in a piston cobblestone generator:

  • The core. This part includes the water and lava that creates the fresh cobblestone in front of the piston. It's generally based on a basic generator plan, with modifications for the piston and redstone.
  • A clock circuit or block detector, driving a piston. This part generates a signal to drive the piston that pushes fresh cobblestone out. The clock period can be chosen to minimize excessive piston movement.
    • A block detector is simply a circuit from a power source to the piston, passing through redstone repeaters before and after the spot where the cobblestone will appear. When the block does appear, the repeaters can push current through it to trigger the piston.
    • A clock generates its signal repeatedly at fixed intervals. Any of the basic repeater clocks will do perfectly well, but you want a total period of at least 7 or 8 (that is, a 4-clock or longer).
    • The core piston itself is usually non-sticky, but some block-detector CSG designs have a sticky piston with a transparent (non-conducting) block.

Smart Piston.
Blocks pushed into the "mobile" position are redirected to the right.

  • Optional secondary pistons. Since pistons can only push a maximum of 12 blocks, the core will only produce at most 13 cobblestone blocks at a time. This can be greatly increased with secondary pistons that guide the row of cobblestone in other directions. Like the core piston, the idea is to get the fresh cobblestone out of the way so that more can be created. A line of secondary pistons may also be used to move the blocks directly into self-repairing structures. Secondary pistons can be triggered by the same clock or detection circuit as the core piston, but this can be noisy if there are many of them. Alternatively, they can get their own clock or detection circuit.
    • If nether quartz is available, the "smart piston" circuit shown here will automatically redirect a stream of blocks from the side (that is, into or out of the screen) or from below. It works because the note block triggers a block update any time the block beneath it changes. The observer detects this and triggers the piston. Since this leaves the space empty, the next block will repeat the process. The smart piston will stop when its output stream is full or blocked, but once some blocks have been mined, it can be restarted by clicking the note block.

Basic piston generators[]

The first design uses a redstone clock drives a piston which pushes out the generated cobblestone from a basic core. The second uses a block-detection circuit, and pushes the cobblestone upwards.

Quad-piston generators[]

These advanced generator designs consistently produce four cobblestone blocks on every fourth piston cycle. The blocks are pushed upwards, negating any chance of the cobblestone burning from touching lava.

Cobblestone Quad-piston "Factory":

Factory Piston Generator (Version 3) Schematics

View at: Tutorials/Cobblestone farming/Factory V3 Piston CSG [edit]

This build can easily be converted to a basalt generator:

  • Make all the pistons sticky.
  • Put soul soil atop the pistons, filling everything else up to that level with blocks (corners and center).
  • Put the blue ice on the level above, 2 blocks where the water would go. (You can place any block on the other two corners.) Finally, put the lava in the middle and cover it over.

Examples of Secondary Piston Usage:

  • This one produces streams of cobblestone in two directions for more rapid output.

Stone generation[]

Lava flowing into water from above creates stone. Stone can be mined slightly faster than cobblestone, and it can also be collected as stone using a pickaxe with the Silk Touch enchantment. Using stone also gives self-repairing structures a different, more natural look.

Stone generators are rarely designed without pistons, as lava needs to be directly above the stone generated. Lava must flow down into flowing water in front of the piston. As with cobblestone generators, a single-piston design can only make a row of stone up to 13 blocks long.

Stone generator examples:

Basic Stone Generator Schematics

View at: Tutorials/Cobblestone farming/Basic SSG [edit]

Smooth Stone Generator A can be built in a 4×5×2 hole, with two blocks dug out of the bottom (level 0), and the clock extending two blocks out from one corner.

The upward facing piston is on level 0. The hole east of it contains redstone and is covered by any transparent block (glass shown for visibility). The redstone torch in the main section is temporary; once you've built the clock, place a lever on either input block (green wool), and flip the lever, then replace the torch with redstone dust. (This lever is turning the clock, and generator, off, so turning the lever on will stop the generator.) After building, flipping the lever again will run the generator, or do a bit of tidying-up: The rest of level 2 can be filled with any block, and you may want to cover the lava (and even the exposed repeater), with a slab.

Variation: Since the clock is already protruding, you might substitute a longer one to cut down on the piston noise. Experiment carefully with the delays, as some clock cycles can stop production entirely. (With this 5-clock, the generator is moving the pistons three times for every block.) Earliest Known Publication: May 29, 2012, Minecraft Smooth Stone Generator Tutorial by DJ&Riggaz.

Smooth Stone Generator B is a clockless build driven by a BUD switch.

  • The block marked ! is where stone is generated and moves as shown. A trench beneath the stone path will contain unfortunate lava spills.
  • The glass block needs some gravity block atop it: Sand is shown, gravel or even concrete powder will also work.
  • This build can be mirrored but not rotated: It will only work with the output going east or west, apparently due to a south-east rule.

Earliest Known Publication: May 1, 2014, Simplest Automatic Stone Generator - KollinsPlays Minecraft Vanilla Tutorial.

More video examples[]

  • A basic stone generator that can be expanded to have multiple outlets, for multiplayer use.
  • A design that prevents the water source block from turning into cobblestone, a common issue with stone generators.
  • A small and reliable stone generator that can be turned on and off by switch.
  • A fast, small and compact that using 4×4 blocks only.

Fastest Largest Continuous Mining Stone Generator

AFK stone farm[]

AFK design which allows you to put something heavy on your mouse and go away from your keyboard. After your pickaxe breaks, a new one will be dispensed.

Redstone is not required in the short version. Hoppers can be mostly replaced with water transport. The water source is protected as it comes from a waterlogged block.

Semi-automatic stone generator[]

This will create 24 blocks of stone at the press of a button. And because it runs by lava flowing over water, (not the other way around) you do not need to worry about the lava source block becoming obsidian.

Start by creating the structure where the stone will form.

  1. Find a place to build your farm. It should have a part that is exactly 4 blocks high and has at least 4 blocks of space in either direction.
  2. In your chosen 4-block area, place a dispenser facing down on the ceiling.
  3. On the floor below the dispenser, place two blocks on top of each other. The block to use depends on the type of pickaxe you plan to use.
    • If you plan to use an iron or diamond pickaxe, the blocks should be obsidian. Otherwise, you can also use an ore besides coal or nether quartz, or you can use a mineral block besides coal, quartz, or redstone. Iron ore and gold ore can be obtained without the silk touch enchantment.
    • If you plan to use a stone pickaxe, exclude iron ore, lapis lazuli ore, block of iron, or Lapis lazuli blocks.
  4. Place fence or nether brick fence 4 blocks away from your 2-block tower. These will be the corners.
  5. Connect the corners by placing fence or nether brick fence in a diagonal line towards adjacent fence posts.
  6. Place water source blocks on the floor (not the two-block tower)
  7. Finally, put a lava bucket in the dispenser.

You also need a redstone circuit to make the dispenser place the lava and then retrieve it. To create it, you will need to be above the future stone farm. The following steps explain how make a repeat circuit.

  1. Place a sticky piston facing up.
  2. Place an opaque block (The page "opacity" has a list of transparent blocks, which are the blocks you should not use.) on top of the sticky piston (the sticky piston should move the block. See the page "piston" for blocks where the sticky piston will do something else if you're not sure).
  3. Place some redstone dust. The redstone wire should connect to the dispenser. Connect this wire to a block with a button attached (Make sure this block is not directly above your future stone farm. This way, you can easily press the button outside the stone farm when you want to make stone.)
  4. For the block on the sticky piston to transmit the redstone signal, there needs to be a repeater next to the block facing away.
  5. Place redstone dust in front of the repeater and set the repeater to a 4 tick delay.
  6. Place a repeater facing away from the redstone dust. This repeater should face a different direction than the previously placed repeater.
  7. Repeat steps 5 and 6 until you have 4 repeaters. Make sure that none of the repeaters are facing the same direction. If done correctly, you will not be able to place redstone in front of the last repeater. It should still be a 4-tick delay, however.
  8. Connect the redstone between the last 2 repeaters to another circuit, which will lead to the sticky piston. Include 5 repeaters and set 4 of them to a 4-tick delay. Make sure it is disconnected from any other redstone.

Now your stone farm is complete. To make stone, simply press the button.

Industrial Stone Generator[]

Produces 1365 Stone Blocks in 2m 15s
Design by: Frilioth

This Industrial stone generator will make 1365 Stone Blocks in just over 2 minutes. It uses a redstone loop to fire the pistons and move the generated stone out of the way. Once the farm is full the system automatically turns itself off. Works only on Java Editions 1.12*, 1.13* and 1.14


This design is a very efficient cobble generator, doesn't lag your game, is very small, and fairly easy to build. Unlike others, this version has a built-in failsafe, so it never breaks.

This uses a four sided repeater clock, but with uneven delay. The piston is retracted 5th or 6th cycle.

  • This compact design triggers when cobblestone is generated rather than using an external clock which means it provides the player fresh cobblestone much faster.
  • This generator is the version for stone without clock for enhanced speed and reduced lag. (Stone can be mined faster, too)
  • This shows how secondary pistons move the row of cobblestone from the core. They trigger at every clock cycle.
  • This shows how signals can go through solid blocks using repeaters. This will trigger independently of a central clock and is a viable way of setting up secondary pistons to minimize noise.
  • This generator uses no redstone and is quite efficient. It works using the smaller hitbox of a fence to let the cobblestone fall, while keeping you up.
Minecraft Easy Stone Generator! 260 Stone Per Minute! 1.16/1.15
First off, hello, this is one of my first times making a relevant post on these forums. But lets get to it.

Due to the new way Lava and water are working in minecraft you can make smooth stone using only lava and water allowing for an easily made smooth stone generator.

The way it works now as far as i know:
water over lava source block = obsidian
Water into running lava = cobblestone
Lava onto two paths of running water = smooth stone
Please correct me if i am wrong.

(i am sorry Battosay but this makes your old generator obsolete, though it was much more interesting then this contraption that took me no more than 5 minutes to build.)

Now for screenies.

First this is a picture showing the "front" of the machine as well as the delay, not it takes about 14 ticks (3 full delayed repeaters and one half delayed) in order to get it to run smoothly.
Next is a picture of the "back" of the machine showing the smooth stone in place, hopefully this shows i am not wasting your time.
And finally our turnout, i only had the machine running for about a minute, so needless to say it works quickly and can be very useful and resource saving.
* also the idea of making a smooth stone generator was not from me someone on the server i play on had mentioned it and i just realized how well this could work in hand with better than wolves.

Thank you for your time!


Stone generator smooth

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Simplest/Most Efficient Stone Generators 1.11/1.12

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Olga quickly turned her gaze to the small gold watch on her hand.

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