Minecraft underground base planner

Building

Underground rooms, corridors and material countsLearn more

Plan an underground base with four rooms, corridors, an entrance shaft, lighting and essential workstations. Set dimensions and materials, preview it and export three schematic formats.

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Configure your result

Files are processed on the server. The generated archive is cached for one hour; original uploads are not saved.

Result

Fill in the form to generate a ZIP archive, preview its files, and see the commands you need.

Documentation and source data.

How to use the result

  1. Step 1

    Set the shell size and material. Import the schema into a world copy or install Java 26.3 datapack and create a base using the command from the archive.

What to know

  • Set the shell size and material. Import the schema into a world copy or install Java 26.3 datapack and create a base using the command from the archive.
  • The plan includes four connected rooms and a short entrance shaft. The shaft's extension to the surface is selected based on your world's terrain.
  • Installation clears the occupied volume. External terrain, surface height, liquids, and existing structures are not analyzed.

Frequently asked questions

How to get a schematic for a underground base with rooms?

Plan an underground base with four rooms, corridors, an entrance shaft, lighting and essential workstations. Set dimensions and materials, preview it and export three schematic formats.

How to install a underground base layout in Minecraft?

Set the shell size and material. Import the schema into a world copy or install Java 26.3 datapack and create a base using the command from the archive.

Is existing terrain considered during base installation?

Installation clears the occupied volume. External terrain, surface height, liquids, and existing structures are not analyzed.

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