CurseForge · Minecraft mod
ATi Structures
A Pack adding a variety of structures found in the overworld
Quick answer
Which ATi Structures release matches 1.21.9 Forge?
ATi Structures V1.4.7.jar targets 1.21, 1.19.3, 1.20.2 with Fabric, Forge, NeoForge. The project page does not say whether this file belongs on the client, dedicated server, or both. No extra mods listed for this file.
Where it goes
Is ATi Structures 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 ATi Structures V1.4.7.jar need?
ATi Structures V1.4.7.jar on 1.21.9 Forge. Every mod below is checked against that same setup.
This file does not list any required mods. Do not add a library just because a different file uses it.
This file does not list any required or optional mods.
Before you install it
Add ATi Structures without breaking your instance.
Built for ATi Structures V1.4.7.jar on 1.21.9 Forge. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use ATi Structures V1.4.7.jar. It targets 1.21, 1.19.3, 1.20.2 with Fabric, Forge, NeoForge; another release may have different loader, side or dependency requirements.
- 02
Bring the mods it needs
This file does not list any required mods. Do not add a library just because a different file uses it.
- 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 ATi Structures V1.4.7.jar. It opens that exact file at the source.
About this project
What does ATi Structures add?

----- THIS VERSION INCLUDES CUSTOM ITEMS AND MODIFIED MOBS -----
ATi Structures adds 56 handcrafted fantasy and medieval structures and dungeons to your Minecraft world.
These structures can appear both above and below ground, all built using vanilla features only
no custom blocks or entities included (FEEL FREE TO ADD TO ANY MODPACK)

- 🆕 7 new structures
- 🌍 Added Terralith compatibility + other terrain mod support
- 🛠 Major changes to structure generation (no more floaters!)
- ⚖ Improved structure distribution for better world spawn
- 🎁 Rebalanced loot tables

A new series of mods is out!
An updated version of the Vanilla Edition is now uploaded.

- ✅ Fully compatible with Terralith
- ✅ Fully compatible with Geophilic
- ✅ Fully compatible with **JJ Thunder to the Max
- ✅** Fully compatible with **William Wythers’ Overhauled Overworld
- ✅** Fully compatible with William Wythers' Expanded Ecosphere
- ✅ Fully compatible with Biomes O' Plenty
- ✅ Fully compatible with Oh The Biomes We've Gone
Project description from CurseForge.
Pick your setup
ATi Structures by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
4 loader builds26.1.2
4 loader builds26.1.1
4 loader builds26.1
4 loader builds1.21.11
4 loader builds1.21.10
4 loader builds1.21.9
4 loader builds1.21.8
4 loader builds1.21.7
4 loader builds1.21.6
4 loader builds1.21.5
4 loader buildsShowing the newest 12 of 35 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
ATi Structures versions and loaders
ATi Structures V1.4.7.jar
26 Sept 2026
ATi Structures V1.4.6.jar
7 Jul 2026
ATi Structures V1.4.5.jar
6 Jul 2026
ATi Structures V1.4.4 (1.21+).jar
15 Mar 2026
Looking for an older file? The official CurseForge project page is in Resources.

