
Laser Utils
A Minecraft 1.21.1 Forge Library for creating lasers, ray casts, and much more.
About this Mod
Laser Utils is a Forge modding utility library for Minecraft 1.21.1.
This library makes it easier to implement lasers and ray casts in your mod. Additionally, registering new items, blocks, attributes, entities, armor materials, and other objects and assets is more intuitive and provides more options.
Here are all the features that are easier to implement with this library:
- Ray Casts (ex: for creating a laser rifle, gun, etc.)
- Language Translations for objects (can be specified when registering an item, block, attribute, entity type, enchantment, etc.)
- Applying TagKeys to objects (can be specified when registering an item, block, attribute, entity type, enchantment, etc.)
- Models for items/blocks
- Creating new packets for networking
- Registering layers for skull blocks
- Applying more attributes to items
- Creating entities (including their models)
- Creating attack goals for entities
- Creating items with abilities using the pre-defined keybind (key: R)
More features to come with future updates
Available Versions
How to Install Laser Utils on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set forge Loader
In the panel under "Egg", select the forge loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Laser Utils". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.1
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Laser Utils server crashes on startup – what to do?
Most common cause: wrong forge 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 (1.21.1). You can switch loaders with one click in the panel.
Is Laser Utils compatible with forge?
Laser Utils officially supports forge for Minecraft 1.21.1, 1.20.1. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Laser Utils – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Laser Utils 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 Laser Utils with just one click on your server.