Nautilus Shell Block

Nautilus Shell Block

With this mod you can place the shell of the nautilus or the nautilus armors on the ground.

by
6.4K Downloads
fabricforgeneoforgedecoration
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Screenshots

drops its items
1.21.11 and below versions support nautilus armor block too

About this Mod

bg

With this mod you can place the shell of the nautilus on the ground.
All you need is the nautilus shell item and click with it on the ground.
You can place it down in the direction you are looking.

After a while when waterlogged or when its raining it can change its texture into the zombie nautilus one and later into the coral zombie one.

You can manually change its texture too!

To clean it, you can break it and then it will drop a normal nautilus shell item, making it have the default texture when placing it again.
When its in default state, then using a slime ball on it has a chance to make it have the zombie texture.
When its on default or zombie state, then using a coral on it has a chance to make it have the coral texture.
There is an item json tag in the data folder for these, so you can change the required items for them.

You can also place the nautilus armor blocks down on the ground!

From version below 1.21.11, you can craft the nautilus armor blocks with a nautilus shell and an ingot from the armor type.
When breaking it, it will drop the nautilus shell and the ingot too (in 1.21.11+ it will drop the armor instead of the ingot)!

Mod currently supports

Forge 1.21.11 | 1.21.10 | 1.21.9 | 1.21.8 | 1.21.7 | 1.21.6 1.21.4 | 1.21.1 | 1.20.1

Fabric 1.21.11 | 1.21.10 | 1.21.9 | 1.21.8 | 1.21.7 | 1.21.6 | 1.21.4 | 1.21.1 | 1.20.1

Neoforge 1.21.11 | 1.21.10 | 1.21.9 | 1.21.8 | 1.21.7 | 1.21.6| 1.21.4 | 1.21.1

SEND ME A PRIVATE MESSAGE IF YOU NEED THE MOD IN A DIFFERENT VERSION AT CURSEFORGE

https://legacy.curseforge.com/members/aquarius_playz/projects

Follow me on X (twitter)

https://x.com/Aquarius_playz

Available Versions

1.0.1-forge-1.20.1-47.4.10release
MC 1.20.1forge
December 24, 2025
1.0.0-forge-1.21.11-61.0.2release
MC 1.21.11forge
December 21, 2025
1.0.0-forge-1.21.10-60.1.0release
MC 1.21.9, 1.21.10forge
December 21, 2025
1.0.0-forge-1.21.8-58.1.11release
MC 1.21.6, 1.21.7, 1.21.8forge
December 21, 2025
1.0.0-forge-1.21.4-54.1.11release
MC 1.21.4forge
December 21, 2025

How to Install Nautilus Shell Block 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 "Nautilus Shell Block". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabricforgeneoforge

Minecraft Versions

1.21.11, 1.21.10, 1.21.9 (+6 more)

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Nautilus Shell 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 (1.21.11). You can switch loaders with one click in the panel.

Is Nautilus Shell Block compatible with fabric and forge and neoforge?

Nautilus Shell Block officially supports fabric, forge, neoforge for Minecraft 1.21.11, 1.21.10, 1.21.9. Note: Forge and Fabric mods are NOT cross-compatible – pick one loader and stick with it. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Nautilus Shell Block – how to optimize performance?

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

Rent Modded Server

Install Nautilus Shell Block 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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1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
LicenseRef-All-Rights-Reserved
Server-side
Required

Supported Versions

1.21.111.21.101.21.91.21.81.21.71.21.61.21.41.21.11.20.1