
Modrinth · Minecraft mod
Combination
Allows you to combine slabs and stairs back into blocks
Quick answer
Which Combination release matches 26.1 Quilt?
Combination 1.1-mod targets 1.21.2, 1.21.3, 1.21.4 with Fabric, Forge, NeoForge. Installation on the client is optional. Installation on the dedicated server is optional. No extra mods listed for this file.
Where it goes
Is Combination required on the client, server, or both?
Installation on the client is optional. Installation on the dedicated server is optional.
The source marks this as usable on both the client and server.
What else does Combination 1.1-mod need?
1.1-mod on 26.1 Quilt. 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 Combination without breaking your instance.
Built for Combination 1.1-mod on 26.1 Quilt. Pick another file and the loader, install side or required mods may change.
- 01
Stick to this file
Use 1.1-mod. It targets 1.21.2, 1.21.3, 1.21.4 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
Installation on the client is optional. Installation on the dedicated server is optional.
- 04
Pick the file you checked
Use the “Get this file” button beside 1.1-mod. It opens that exact file at the source.
About this project
What does Combination add?
Unlock the power of versatility with the Combination Datapack/Mod! This innovative tool allows you to seamlessly merge blocks like stairs and slabs back into their original block forms. Perfect for those moments when you accidentally craft the wrong item or simply need to repurpose your materials
Examples


Project description from Modrinth.
Pick your setup
Combination by Minecraft version and loader
Choose the version and loader you play, then open the matching release.
26.2
5 loader builds26.1.2
5 loader builds26.1.1
5 loader builds26.1
5 loader builds25w20a
1 loader build25w19a
5 loader builds25w18a
5 loader builds25w17a
5 loader builds25w16a
5 loader builds25w15a
5 loader builds25w14craftmine
5 loader buildsShowing the newest 12 of 46 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
Combination versions and loaders
1.1-mod
combination-1.1.jar
15 Mar 2026
Looking for an older file? The official Modrinth project page is in Resources.