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Slab Manager

Prevents placing double slabs and lets you lock top/bottom slab placement.

Fabric
Loaders
Fabric
Downloads on Modrinth
149
Followers on Modrinth
0
version
1
Updated
February 23, 2026Feb 23
Published
in 2026

At a glance

Runs on Fabric
For Minecraft 1.21.11
Needed in the game and on the server
Latest version — 1.0.0 from February 23, 2026
Requires Fabric API
License CC0-1.0 — free
Where it's needed
In gamerequiredOn serverrequired

Needed both in the game and on the server

Game versions1.21.11

Slab Manager

Slab Manager improves how slabs are placed so building is faster and less frustrating.

What this mod does

  • Adds smarter slab placement logic.
  • Reduces misplacements when targeting slab positions.
  • Makes slab building feel more consistent during normal gameplay.
  • Lets you switch slab placement mode with the U key (default).

Why download it

  • Saves time while building.
  • Gives more reliable slab placement in tight spaces.
  • Keeps gameplay lightweight and focused on quality-of-life improvements.

Controls

  • U: Toggle/switch slab mode.

FAQ

How to install Slab Manager?

Install Fabric for your Minecraft version, download Slab Manager for the same version and loader, put the file into the mods folder and launch the game with the loader profile.

Which Minecraft versions does Slab Manager support?

Slab Manager has builds for Minecraft 1.21.11.

Is Slab Manager needed on the server?

Needed in the game and on the server

License and source
Creative Commons Zero v1.0 Universalfree to use and share with credit to the author
Original — Modrinth↗Files unchanged, verified with SHA-512Is this your mod? For rights holders

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