ModsJava
ChunkWorldBuilder
Patch-based world expansion plugin for Paper: builds a target world from donor-world patches as players explore.
⬇ Download on Modrinth
ChunkWorldBuilder is a Paper plugin that creates a dynamic exploration experience: your target world grows patch by patch as players move toward the edge.
24x24 patch size
8x8 patch size
2x2 patch size
Features
- Patch-based world expansion
- Donor-world terrain copying
- Configurable patch size (including tiny and large patches)
- Generation queue with per-tick limits
- Optional WorldEdit engine for faster large copies
- Edge safety (movement + teleport protection)
- Dynamic outer boundary
- End-portal progression trigger
Requirements
- Paper 1.21.x
- Java 21
Installation
- Download the latest jar.
- Put it in
plugins/. - Start server once.
- Configure
plugins/ChunkWorldBuilder/config.yml. - Restart server.
Links
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft versions listed: 1.21, 1.21.1, 1.21.2
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as ChunkWorldBuilder-0.1.0.jar — drop this file into the mods folder
- Download size: 63 KB
- Download link checked 22 Aug 2026 — working
These come from our own check of the pack file, not from the source page.