Dependencies
- Sub dependency the mod requires KotlinForForge
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Content
This mod does one simple thing and one simple thing only, it adds a way for the player to customize their block outline using the in-game config.
Here is a photo of the config menu where you can change the color via a colorwheel and the width of the block outlines. Also if you are really feeling up to it you can make the outline rainbow and change the speed (honestly wouldn't go above 2 as it get really fast)
Quick facts
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
Verified by MCModsHub
- Ships as blckotl-1.0.0.jar — drop this file into the mods folder
- Download size: 18 KB
- Download link checked 8 Sept 2026 — working
These come from our own check of the pack file, not from the source page.