Portal Cornerlink

Portal Cornerlink

Control Nether portal linking with colored glazed terracotta corner markers.

by
763 Downloads
fabricgame-mechanics
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Screenshots

Portal Cornerlink visualization

About this Mod

Control Nether portal linking with colored glazed terracotta corner markers.

About This Fork

This is an updated and optimized fork of the original https://modrinth.com/mod/corner-portal-linking by starbidou. All credit for the original concept and implementation goes to them. This fork brings the mod to Minecraft 1.21 with performance improvements.

What It Does

This mod helps you tell the game how Nether portals in the same area should connect. Instead of relying on unpredictable vanilla portal linking, you can create unique "signatures" for your portals using glazed terracotta blocks.

How It Works

It's really simple:

  1. Place glazed terracotta at the four corners of your portal to create a pattern
  2. Travel through the portal - the destination portal with the best matching corner pattern is selected
  3. No corners? The mod defaults to vanilla behavior - fully backward compatible!

Pattern Matching Rules

  • Horizontal orientation doesn't matter - patterns are matched even when flipped/mirrored
  • More matches = higher priority - portals matching more corners win
  • Tiebreaker - if multiple portals match equally, vanilla distance priority is used
  • Any glazed terracotta works - all 16 colors can be used to create patterns

Portal linking visualization

Credits

Original Mod: https://modrinth.com/mod/corner-portal-linking by Starbidou

Available Versions

Portal Cornerlink 1.0.0release
MC 1.21.10, 1.21.11fabric
December 14, 2025

How to Install Portal Cornerlink on Your Server

1

Order Server

Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).

2

Set fabric Loader

In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.11).

3

Install Mod

Open the mod browser in the dashboard and search for "Portal Cornerlink". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.

Compatibility

Mod Loaders

fabric

Minecraft Versions

1.21.11, 1.21.10

Server-side

Required

Recommended RAM

4 GB(min. 3 GB)

Frequently Asked Questions

Portal Cornerlink 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 (1.21.11). You can switch loaders with one click in the panel.

Is Portal Cornerlink compatible with fabric?

Portal Cornerlink officially supports fabric for Minecraft 1.21.11, 1.21.10. The Mado dashboard automatically detects incompatible loader combinations.

Server lagging with Portal Cornerlink – how to optimize performance?

Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Portal Cornerlink 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.

Rent Modded Server

Install Portal Cornerlink with just one click on your server.

Recommended RAM
4 GBab €8/mo
Min. 3 GB | +1 GB pro 8 Spieler
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1-Click Mod Install
NVMe SSD Storage
DDoS Protection included

Details

License
GNU Lesser General Public License v2.1 only
Server-side
Required

Supported Versions

1.21.111.21.10