redstone-structure-block

A Fabric mod that allows saving structures to disk (permanent storage) instead of memory when triggering structure blocks with redstone.

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fabricgame-mechanics

Rent Server with this Mod

About this Mod

Redstone Structure Block

A Fabric mod that allows saving structures to disk (permanent storage) instead of memory when triggering structure blocks with redstone.

Repository: https://github.com/sch246/redstone-structure-block

Features

Adds a gamerule redstoneSaveStructureBlock to control if the structure is saved to disk or memory(defaults to disk)

Usage

Install the mod in your Fabric mod folder
To disable (return to vanilla memory-only saving):

/gamerule redstoneSaveStructureBlock false

Requirements

Minecraft (>= 1.21.2)
Fabric Loader (>= 0.16.7)
Fabric API

License

This mod is available under the MIT License.

Contributing

Feel free to submit issues and pull requests!

Contributors

Available Versions

redstone-structure-block 2.0.0release

MC 1.21.2, 1.21.3, 1.21.4, 1.21.5, 1.21.6, 1.21.7, 1.21.8fabric

September 16, 2025

redstone-structure-block 1.1.0release

MC 1.21.4fabric

January 23, 2025

How to Install redstone-structure-block on Your Server

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.8).

Install Mod

Open the mod browser in the dashboard and search for "redstone-structure-block". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.8, 1.21.7, 1.21.6 (+4 more)

Server-side

✓ Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

redstone-structure-block server crashes on startup – what to do?

Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.8). You can switch loaders with one click in the panel.

Is redstone-structure-block compatible with fabric?

redstone-structure-block officially supports fabric for Minecraft 1.21.8, 1.21.7, 1.21.6. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with redstone-structure-block – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if redstone-structure-block consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.