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Large Structure Lib

Library for large structures, including enormous jigsaw structures.

NeoForge
Loaders
NeoForge
Downloads on Modrinth
436
Followers on Modrinth
0
versions
13
Updated
October 30, 2026Oct 30
Published
in 2026
This is a library — other mods need it, and it adds nothing to the game by itself
A Density-Based Structure & Feature in Action! · swipe

At a glance

A library: other mods need it
Runs on NeoForge
For Minecraft 1.21.1
Server only — players don't need to install it
Latest version — 1.1.5.1 from October 30, 2026
Requires Structure Layout Optimizer
Where it's needed
In gamenot neededOn serverrequired

Install on the server only; players don't need it

Game versions1.21.1

Library of Large structures & structure sets, including:

  • Large Jigsaw Structures
  • Density Based Structures
  • Multi Structures
  • Grid Structure Sets

Dependencies

This project utliizes Structure Layout Optimizer and its dependency for improved structure-gen performance.

Copyright

I personally don't care for copyright so long as you credit me. You may fork & add to this project as you so like so long as you credit me. You may also distribute said versions commercially so long as there's no paywall behind your mod. You may utilize my mod as a dependency as you so like. However, you may not commercially distribute this mod as is, without use as an api, unless I give my blessing. Basically don't steal my mod for commercial use unless it's used for something else. This does not include using it in a modpack.

FAQ

How to install Large Structure Lib?

Install NeoForge for your Minecraft version, download Large Structure Lib for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Large Structure Lib support?

Large Structure Lib has builds for Minecraft 1.21.1.

Is Large Structure Lib needed on the server?

Server only — players don't need to install it

License and source
MIT Licensefree to use and share with credit to the author
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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