Table of Contents
Who this is for: Minecraft players who need unlimited cobblestone for building projects or are playing survival/skyblock modes with limited resources.
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Building Your First Cobblestone Generator
A cobblestone generator is one of the most useful contraptions you can build in Minecraft, especially when you’re playing survival mode or skyblock maps where stone resources are limited. The basic principle relies on the game mechanics where flowing water meets flowing lava to create cobblestone blocks.
Materials You’ll Need
- 1 water bucket
- 1 lava bucket
- Building blocks (dirt, wood, or any solid block)
- A pickaxe for mining the generated cobblestone
Simple 3×1 Generator Design
The easiest generator requires just a 3-block long trench. Dig out three blocks in a straight line, making sure the middle block is one level deeper than the outer two. Place your water source in one end and lava source in the other end. The flowing liquids will meet in the middle depression, continuously generating cobblestone that you can safely mine without destroying your sources.
Advanced L-Shaped Generator
For better efficiency and safety, many players prefer an L-shaped design. Create an L-shaped channel that’s one block deep, with the corner being two blocks deep. Place lava at one end of the L and water at the other end. This setup keeps the source blocks further apart and creates a more predictable cobblestone generation point.
Safety Tips and Troubleshooting
Always approach from the water side when mining to avoid accidentally falling into lava. If you’re getting obsidian instead of cobblestone, it means your lava source block is touching the water source block directly. Make sure only the flowing portions of each liquid are meeting. If nothing happens, check that both liquids are actually flowing toward each other and meeting at the intended spot.
Automation Possibilities
Once you’ve mastered the basic generator, you can enhance it with redstone mechanisms. Pistons can automatically push generated cobblestone into collection systems, while hoppers and chest networks can store your materials. Some players even build massive cobblestone farms using multiple generators connected to sorting systems.
These generators work in all Minecraft versions and are essential for any serious building project where you need unlimited stone resources, making them perfect for players exploring creative construction possibilities in various gaming environments.
TL;DR
Build a cobblestone generator by creating a trench where flowing water meets flowing lava, generating infinite cobblestone blocks you can safely mine.
