Copper Storage

Copper Storage

Adds Copper Boxes that work like Shulker Boxes with limited space.

by
379 Downloads
fabricstorage
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Screenshots

Copper Box
Putting Items into the Copper Box
Player Looking at a Copper Box

About this Mod

Simple mod with a simple config. The mod adds copper boxes to the game with the same use as shulkers. It was created mainly for [ No End ] servers or worlds where access to shulkers is impossible.

Copper Box Block Textures

The item is basic in its looks and feature but it will be usefull for modded no End Servers.

Copper Box Ui with more slots avalible behind it.

Although the mod gives you an option to limit the amount of rows the copper box has, from the original 3 to 4 or 1 row, so the mod can also be used in normal servers or worlds as a progression stone for people who dont want to venture out to the end to grab a shulker.
The option is in the config file generated upon loading into the game.

To craft it you will need to venture out and find trial chambers to get an ominous trial key, to craft the item.

Crafting Recipe

Available Versions

Copper Storage 0.1.3beta
MC 1.21.11fabric
January 5, 2026

How to Install Copper Storage on Your Server

1

Order Server

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

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

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

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Copper Storage 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 (1.21.11). You can switch loaders with one click in the panel.

Is Copper Storage compatible with fabric?

Copper Storage officially supports fabric for Minecraft 1.21.11. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Copper Storage – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Copper Storage 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.

Rent Modded Server

Install Copper Storage with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
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NVMe SSD Storage
DDoS Protection included

Details

License
MIT License
Server-side
Required

Supported Versions

1.21.11