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AutoSlabs (Unofficial Port)

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AutoSlabs (Unofficial Port)

By hari_0701

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AutoSlabs port for Minecraft 1.21.1 Fabric with vertical slab placement and KleeSlabs behavior.

Mod Loaders
Minecraft
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About

Description

An unofficial Fabric port of AutoSlabs for Minecraft 1.21.1. It adds vertical placement states to vanilla and modded slab blocks without registering new block or item IDs.

Features

  • Place slabs vertically in north/south/east/west orientations.
  • Hold a slab and press K to cycle placement modes; Sneak + K cycles backwards. The default mode preserves AutoSlabs placement, while Vanilla Placement returns to normal placement rules.
  • KleeSlabs: mine one half of a double slab; hold Sneak while mining to break both halves.
  • Includes the optional built-in Distinct Slabs resource pack.

Requirements

  • Minecraft 1.21.1
  • Fabric Loader 0.16.5 or newer, and Fabric API
  • Better Runtime Resource Pack (BRRP) 1.21.1 is a required dependency for generated blockstates and models. BRRP is separate and is not bundled in this file.
  • Mod Menu is optional.

Attribution and license

This unofficial port is based on AutoSlabs by Andrew6rant. The original source is MIT-licensed and its license notice is retained. This port is not endorsed by the original author. BRRP is maintained separately by SolidBlock and is licensed under MPL-2.0.

AI disclosure: AI assistance was used to adapt the code for Minecraft 1.21.1. The project icon was created specifically for this port; no AI-generated showcase images are used.