CurseForge · Minecraft mod
Reinforced Shulker Boxes
Fabric mod to add reinforced shulker boxes
Quick answer
Which Reinforced Shulker Boxes release should I use?
Reinforced Shulker Boxes v3.4.3+1.21.8 targets 1.21.8, 1.21.6, 1.21.7 with Fabric. The project page does not say whether this file belongs on the client, dedicated server, or both. All 1 required mods have matching files.
Where it goes
Is Reinforced Shulker Boxes required on the client, server, or both?
The project page does not say whether this file belongs on the client, dedicated server, or both.
The source does not explicitly classify this release as client-only or server-only.
What else does Reinforced Shulker Boxes v3.4.3+1.21.8 need?
Reinforced Shulker Boxes v3.4.3+1.21.8. Change the file and its required mods may change too.
Install Fabric API first. We found matching files for this game-version and loader setup. 2 come through another mod in the chain.
2 extra mods were pulled in by other dependencies. Indented rows show who needs each one. We only count dependency files that match this setup. A file for another loader does not fill the gap.
Before you install it
Add Reinforced Shulker Boxes without breaking your instance.
Built for Reinforced Shulker Boxes v3.4.3+1.21.8. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use Reinforced Shulker Boxes v3.4.3+1.21.8. It targets 1.21.8, 1.21.6, 1.21.7 with Fabric; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
Install Fabric API first. We found matching files for this game-version and loader setup. 2 come through another mod in the chain.
- 03
Put it on the correct side
The project page does not say whether this file belongs on the client, dedicated server, or both.
- 04
Pick the file you checked
Use the “Get this file” button beside Reinforced Shulker Boxes v3.4.3+1.21.8. It opens that exact file at the source.
About this project
What does Reinforced Shulker Boxes add?

Reinforced Shulker Boxes
The Reinforced Shulker Boxes mod adds reinforced shulker boxes.
Reinforced Storage Mod Series
Reinforced Storage Addons
Recipe
Copper Shulker Box

A copper shulker box has 45 inventory slots. You can also craft from Vanilla Copper Chests or Reinforced Chests.
Iron Shulker Box

An iron shulker box has 54 inventory slots. You can also craft from Reinforced Chests.
Gold Shulker Box

A gold shulker box has 81 inventory slots. You can also craft from Reinforced Chests.
Diamond Shulker Box

A diamond shulker box has 108 inventory slots. You can also craft from Reinforced Chests.
Netherite Shulker Box

A netherite shulker box has 108 inventory slots. This is resistant to blast, fire, and lava. You can also craft from Reinforced Chests.
Configure
Mod Menu has been available since version 2.1.0+.

Screen Type
_Available in version 2.1.0+. _Screen type is "SINGLE" or "SCROLL". (default: "SINGLE")
- SINGLE

- SCROLL

Scroll Screen
Rows
_Available in version 2.1.0+. _Rows is an integer in the range from 6 to 9. (default: 6)
- Rows: 6

- Rows: 9

Project description from CurseForge.
Pick your setup
Reinforced Shulker Boxes by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
1.21.11
1 loader build1.21.10
1 loader build1.21.9
1 loader build1.21.8
1 loader build1.21.7
1 loader build1.21.6
1 loader build1.21.5
1 loader build1.21.4
1 loader build1.21.3
1 loader build1.21.2
1 loader build1.21.1
1 loader build1.21
1 loader buildShowing the newest 12 of 30 game versions. Older files are in the list below.
Check the dependencies, then try the file in a copied instance before changing a world you care about.
Recent files
Reinforced Shulker Boxes versions and loaders
Reinforced Shulker Boxes v3.5.0-beta+1.21.11
reinforced-shulker-boxes-3.5.0-beta+1.21.11.jar
6 Feb 2026
Reinforced Shulker Boxes v3.4.4-alpha+1.21.10
mod.jar
15 Nov 2025
Reinforced Shulker Boxes v3.4.3+1.21.8
reinforced-shulker-boxes-3.4.3+1.21.8.jar
26 Jul 2025
Reinforced Shulker Boxes v3.4.2+1.21.5
reinforced-shulker-boxes-3.4.2+1.21.5.jar
16 Apr 2025
Reinforced Shulker Boxes v3.4.1+1.21.5
reinforced-shulker-boxes-3.4.1+1.21.5.jar
12 Apr 2025
Reinforced Shulker Boxes v3.4.0+1.21.4
reinforced-shulker-boxes-3.4.0+1.21.4.jar
26 Jan 2025
Reinforced Shulker Boxes v3.3.0+1.21.3
reinforced-shulker-boxes-3.3.0+1.21.3.jar
3 Jan 2025
Reinforced Shulker Boxes v3.2.1+1.21.1
reinforced-shulker-boxes-3.2.1+1.21.1.jar
31 Dec 2024
Reinforced Shulker Boxes v3.0.1+1.20
reinforced-shulker-boxes-3.0.1+1.20.jar
31 Dec 2024
Reinforced Shulker Boxes v3.2.0+1.21.1
reinforced-shulker-boxes-3.2.0+1.21.1.jar
1 Sept 2024
Reinforced Shulker Boxes v3.1.0+1.21
reinforced-shulker-boxes-3.1.0+1.21.jar
12 Jul 2024
Reinforced Shulker Boxes v3.0.1+1.21
reinforced-shulker-boxes-3.0.1+1.21.jar
16 Jun 2024
Looking for an older file? The official CurseForge project page is in Resources.
