LightSlabs
by Inferis
LightSlabs gives light-emitting blocks a slab form, so a light source can fill half a block cell.
What it does
The mod adds slab versions of vanilla light blocks. Each slab sits on the top or bottom half of a cell and gives the same light level as its full-block counterpart. Both the server and every player need the mod, since the blocks are placed and rendered on both sides. Fabric API is required, and files are published for Fabric on 26.2 and 26.3, under the MIT License, with the source code and issue tracker public.
Key features
Light slab blocks
Slab versions of vanilla light blocks place and break like regular slabs, in top, bottom and double forms.
Matching light output
Each slab emits the same light level as the full block it is based on.
Redstone lamp slab
A redstone lamp slab works like a full redstone lamp, switching on when powered and staying lit like a slab.
Gallery
Compatibility
Latest build for each game version and loader.
Only full game releases are shown. This mod publishes no snapshot builds.
Requirements
Dependencies declared by the latest file for each loader.
Required 1
How it compares
Concrete Stairs And Slabs Early adds concrete stairs and slabs for Fabric 26.1.2, and it is not open source and carries All rights reserved. GlassSlab targets Fabric 1.21.1 and is open source under the MIT License, covering glass slabs rather than light slabs.
| Mod | Loaders | Game versions | Environment | Updated |
|---|---|---|---|---|
| LightSlabs | Fabric | 26.2 – 26.3 | Client and server | 2026-09-16 |
| Concrete Stairs And Slabs Early | Fabric | 26.1.2 | Client and server | 2026-08-28 |
| GlassSlab | Fabric | 1.21.1 | Client and server | 2025-08-04 |
Questions
Does LightSlabs need Fabric API?
Which game versions have files?
In the catalog
LightSlabs is one of 12,078 Decoration mods on ModsFinder, and one of 6,982 Decoration mods for Fabric. 8,071 mods support Minecraft 26.3.
More from Inferis
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What the author says
This adds slab versions of the vanilla light blocks. They behave like regular slabs (they have a top, bottom and full block variant), and provide the same light level as their vanilla counterparts. This includes a redstone lamp slab, which works exactly like the full block redstone lamp (powered = lit), but behaves…
Official listing
- Modrinth page
- modrinth.com/mod/lightslabs
- Owner
- Inferis
- Published
- 2026-09-10
- Updated on Modrinth
- 2026-09-16
- Facts verified
- 2026-10-15
