
Fabric Mob Heights
Adds realistic size variations to Minecraft mobs while maintaining gameplay balance. Inspired by Variable Mob Height, reimagined for Fabric 1.20.1. Fully customizable.
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About this Mod
Fabric Mob Heights
A lightweight Fabric mod that introduces subtle, realistic height differences while staying true to vanilla gameplay. Inspired by Variable Mob Height, reimagined for Fabric 1.20-1.20.4. Fully customizable via Mod Menu.
🎯 Features
- Realistic size variations reflecting natural animal proportions
- Persistent mob scaling through NBT data
- Compatibility with modded mobs & resource packs
- Customizable scaling ranges via Mod Menu
- Dynamic adjustments to damage and movement speed
- Player exclusion for balanced gameplay
- Biome Integration: Mob sizes adapt to their environment. Modded biomes that share categories with vanilla biomes automatically inherit their vanilla counterparts' scaling factors.
- Mob blacklist support
🔧 Technical Details
- Leverages Pehkui API for smooth scaling implementation
- Maintains door compatibility for humanoid entities
- Includes biome and dimension-specific scaling options
- UUID-based scale caching system with periodic cleanup to prevent memory leaks
- Configurable through Mod Menu (Game restart required for most options to take affect)
- Simple /resize
and /resize undo commands for OPs
📦 Requirements
- Fabric API
- Pehkui
- Cloth Config API
- Mod Menu
🏗️ Planned Features
- Size inheritance for bred animals
- Time-based size variations (mobs spawn larger at night)
🐛 Known bugs
Spoiler
Found an issue? Please report it on the GitHub Issue Tracker.
Available Versions
How to Install Fabric Mob Heights on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.20.4).
Install Mod
Open the mod browser in the dashboard and search for "Fabric Mob Heights". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.20.4, 1.20.3, 1.20.2 (+2 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Fabric Mob Heights server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.20.4). You can switch loaders with one click in the panel.
Is Fabric Mob Heights compatible with fabric?
Fabric Mob Heights officially supports fabric for Minecraft 1.20.4, 1.20.3, 1.20.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Fabric Mob Heights – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Fabric Mob Heights consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
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Rent Modded Server
Install Fabric Mob Heights with just one click on your server.