Cobblemon Size Variations Mod for Minecraft 1.21.1
Allows for Cobblemon to spawn in different sizes.
NeoForge
FabricAbout the Cobblemon Size Variations mod
Give your Pokémon true personality — from pocket-sized partners to towering titans.
A Cobblemon addon mod that allows for Cobblemon to spawn in naturally in different sizes. The limit to how big or small the size change is can be configured in the mod config.
View the latest change log here
Learn more about the mod on the Wiki
✨ Features
⚖️ Variable Pokémon sizes – each Pokémon can appear anywhere from tiny to huge.
🧬 Custom sizer algorithms – supports bias-toward-average or fully random distributions.
🧾 Server-side configuration – toggle features like crafting recipes and size bias in the mod's configuration file
🔁 Network-synced scaling – uses size-update packets so all players see the same model scale.
🧰 Custom commands – resize specific Pokémon with /pokesizer.
🧩 Runs on both Fabric and NeoForge.
🧑💻 Credits
Author: Cudzer
Built for Cobblemon 1.6+, powered by Architectury.
How to install Cobblemon Size Variations
With Millida Launcher
Install Millida Launcher
The launcher is free: download it at millida.net/launcher and sign in with any nickname.
Click “Install” on this page
The launcher opens and installs the mod for Minecraft 1.21.1 on Fabric or NeoForge automatically, together with its dependencies: Cobblemon, Architectury API.
Launch the game
A profile with it appears in the launcher: click “Play”.
Manually
Install Fabric or NeoForge
The loader must match the game version of the mod file, for example Minecraft 1.21.1. After installing it, a separate profile appears in your launcher.
Download the file for your version
In the version list above, pick the file CobblemonSizeVariationNeoforge-1.4.0+1.7.0.jar (94 KB) for your game version and loader.
Put it in the mods folder
The folder is inside .minecraft (Windows: %appdata%\.minecraft\mods). If it does not exist, create it. Required dependencies go there too: Cobblemon, Architectury API.
Launch the loader profile
Open “Mods” in the main menu: Cobblemon Size Variations should be in the list.
On a server
A server on Fabric or NeoForge
The mod only works on a server with the same loader and game version, for example 1.21.1.
File goes into the server’s mods folder
Stop the server, put the mod file into the mods folder and start the server again.
Use the “To server” button
On Millida Hosting, the button at the top of the page uploads the file to your server and restarts it for you.
Minecraft 1.21.1 runs on Java 21: with a different Java version the game may close right after launch.
Versions
With dependencies
| Minecraft | Loader | File | Date | Actions |
|---|---|---|---|---|
| 1.21.1 | NeoForge | 1.21.193.9 KB 4 | ||
| 1.21.1 | Fabric | 1.21.194.9 KB 1 | ||
| 1.21.1 | NeoForge | 1.21.193.3 KB | ||
| 1.21.1 | Fabric | 1.21.194.3 KB | ||
| 1.21.1 | NeoForge | 1.21.160.9 KB | ||
| 1.21.1 | Fabric | 1.21.161.4 KB | ||
| 1.21.1 | NeoForge | 1.21.152.8 KB | ||
| 1.21.1 | Fabric | 1.21.153.4 KB |
What it needs to run
- Cobblemonrequired
- Architectury APIrequired
FAQ
Which Minecraft versions does Cobblemon Size Variations work on?
Only Minecraft 1.21.1: there are no files for other versions.
Is Cobblemon Size Variations for Forge or Fabric?
There are files for Fabric: 1.21.1 and for NeoForge: 1.21.1. There are no files for Forge: a mod for another loader will not start.
What does Cobblemon Size Variations need to work?
Required: Cobblemon, Architectury API. Without them the mod will not start: dependencies go into the same mods folder.
Does Cobblemon Size Variations work on a server?
Yes. Cobblemon Size Variations works both in singleplayer and on a server.
Which Java does Cobblemon Size Variations need?
Minecraft 1.21.1 runs on Java 21. If the game closes right after launch, the usual cause is the wrong Java version in the profile settings.
Where can I download Cobblemon Size Variations safely?
On this page: the file CobblemonSizeVariationNeoforge-1.4.0+1.7.0.jar (94 KB) is stored on Millida’s server, with no link shorteners. SHA-1 checksum: 077fb58fc8b36e285c7225d0d96ffc5c7a83f03a.
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