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Backbone

A small mod bringing together small features that feel like they could help players and/or other creators, that I could implement relatively quickly.

FabricNeoForge
Loaders
FabricNeoForge
Downloads on Modrinth
172
Followers on Modrinth
0
versions
6
Updated
September 18, 2026Sep 18
Published
in 2026
Mod icon — Did you know you had that in your body? It supports you every day, despite all your mistakes and tantrums, so might as well be thankful · swipe

At a glance

Runs on Fabric and NeoForge
For Minecraft 1.21.1–1.21.4
Server only — players don't need to install it
Latest version — 1.2-1.21-neo from September 18, 2026
License GPL-3.0-only — free
Where it's needed
In gamenot neededOn serverrequired

Install on the server only; players don't need it

Game versions1.21.1–1.21.4

Backbone

mod icon

Small feature based incremental mods, grouping any small feature I believe could be neat to have and can implement in a relatively short time.

Ideas and suggestions are welcome on my Discord server

Features

Other will be added as time comes

Jigsaw placement rotation via command

Since: 1.0
From: A ShaiTheLamb request (see their Modrinth)

The /place jigsaw now is given optional extra arguments: from `/place jigsaw <max_depth> , it is now possible to do /place jigsaw <max_depth> [<force_rotation:boolean> <rotation:0|90|160|270>]`. There, the two extra arguments behave as such:

  • force_rotation: if true, makes the placed piece forcefully rotated with the provided rotation. Otherwise, adds the provided rotation to the random one.
  • rotation: Indicates a rotation to apply to the placed piece. If forced, it allows you to ensure a specific rotation, or otherwise, get variant results from the random ones.

Entity discarding via command

Since: 1.1
From: me (Nerjal Nosk)

Because some mods add entities that don't properly die or get removed using the /kill command, I decided to add a way to straight up remove an entity from the world, with a new /discard command.

Usage is similar to the /kill command, except there is no option to discard oneself. To avoid causing bugs with unexpected situations, players cannot be discarded.

Structure generation painting placement fix

Since: 1.2
From: A ShaiTheLamb request (see their Modrinth)

I only added the necessary math Mojang had not, to ensure proper placement of paintings when generating structures. Also works with structure blocks, and the /place command.

There is nothing for you to do; just have the mod loaded and it works. You're welcome.

Usage

Feel free to use it as a dependency for your own mods, or add it to modpacks.

You are not allowed, however, to bundle this mod (JiJ, modpack overrides, etc) in your own projects.

You can add it as a code dependency to your own projects using my own maven, with com.nerjal:predicator at https://maven.nerjal.com/snapshots

FAQ

How to install Backbone?

Install Fabric for your Minecraft version, download Backbone for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Backbone support?

Backbone has builds for Minecraft 1.21.1–1.21.4.

Is Backbone needed on the server?

Server only — players don't need to install it

License and source
GNU General Public License v3.0 onlyfree to use and share; changes to the mod itself must be published under the same license
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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