dissyBlockOverlay is a client-side Fabric mod that improves the default block selection overlay.
Instead of the standard vanilla outline, this mod renders a much more noticeable and customizable highlight for the block you are currently targeting.
Features
Custom block overlay for the targeted block
Adjustable outline thickness
Two fill modes:
Color — simple colored fill
Nebula — animated rainbow-style shader fill
Overlay is visible through walls
Built-in settings menu
Clean visual replacement for the vanilla block outline
Controls
Right Shift — open overlay settings menu
Settings
In the menu, you can:
change the outline thickness with a slider
switch between Color and Nebula modes
Compatibility
Minecraft: 1.21.11
Loader: Fabric
Environment: Client-side
Notes
This mod is purely visual and does not affect gameplay mechanics or servers.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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.
- Ships as dissyblockoverlay-0.3.jar — drop this file into the mods folder
- Download size: 29 KB
- Download link checked 31 Aug 2026 — working
These come from our own check of the pack file, not from the source page.