Want the big picture without the developer-speak? Read the Slabbed Field Guide for a plain-English look at what the mod does, what is being tested, and what is coming next. Hang lanterns from slabs! Stack blocks on slabs! Stack blocks on those blocks on those slabs!* Your slabs finally get the love they deserve 💖
*Slabbed is still in beta. Expect some rough edges while it continues to improve and expand.
In vanilla Minecraft, slabs are weirdly stubborn little half-blocks. They look like they should support things, connect to things, and behave like real building surfaces, but the game often treats them like awkward not-quite-blocks instead.
Slabbed changes that. It makes slabs act more like usable building surfaces, so supported blocks and objects can sit at slab height instead of floating, refusing to place, or pretending the slab is not there.
| In vanilla Minecraft | ✨ With Slabbed ✨ | |
|---|---|---|
| 🧱 | Many blocks want a full block underneath them. Slabs do not always count. Rude. | More blocks can use slabs as support and sit where the slab surface actually is. |
| 🏮 | Hanging or standing objects can float, refuse to attach, or land at full-block height. | Torches, lanterns, signs, fences, walls, panes, chests, hoppers, crafting tables, furnaces, and other supported blocks line up with slab height. |
| 🧩 | Building upward from slabs is floaty and sad. | Blocks and objects can stack more naturally on slab-supported structures. |
| 👀 | What you see and what Minecraft thinks is there can disagree. | Slabbed works to keep the visible object, outline, and interaction target in the same place. |
| 💖 | Slabs are useful, but the game makes them fussy. | Slabs become friendlier building surfaces. Still slabs. Just less derpy. |
| 🚶➡️ | Stairs on slabs? That's a no-no! | With Slabbed, you can throw down some stairs on those slabs and ascend smoothly ✨ |
The long-term goal is broad slab support. The actual path is more careful: one block family at a time, proven by behavior, because Minecraft is Minecraft and it will absolutely make this more complicated than it looks.
▶ Watch the Forge 1.20.1 live test: https://youtu.be/bEg3uAgI4A0
With Countered's Terrain Slabs installed, terrain slabs become proper Slabbed support instead of just decoration. Slabbed still works without Terrain Slabs, but if you build with them, this is the good stuff:
| Terrain Slabs support | It works! | |
|---|---|---|
| 🪶 | Flush, not floaty | Torches, lanterns, fences, walls, glass panes, signs, chests, hoppers, furnaces, crafting tables, and selected decorative cubes sit on Terrain Slabs surfaces like they do on vanilla slabs. |
| 🌿 | Vegetation behaves | Short grass, ferns, and tall grass sit on Terrain Slabs terrain toooooo. Immerse yourself in slabby foliage! |
| 🧩 | Combined slabs | Vanilla slabs placed on Terrain Slabs surfaces combine into a lowered surface, and supported objects follow that height. |
| 🔌 | Optional compat | Slabbed still works without Terrain Slabs. No Terrain Slabs? No problem. |
| 🥲 | Not just a pretty face | Slabs should be more than just decoration. Slabbed puts those lazy slabs to work! |
Note: Full combining between Terrain Slabs, vanilla slabs, and regular building blocks is still a work in progress. Slabbed supports many Terrain Slabs placement and support cases, but some deeper mixed arrangements may not merge, stack, collide, or target perfectly yet. If a build combines multiple slab systems in one spot and something looks a little odd, that may still be expected beta behavior for now.
Slabbed is still beta, and some things may be a little spicy:
| Rough edge | Current state | |
|---|---|---|
| ⚡ | Rails and redstone | May still have visual or connection edge cases. |
| 🎨 | Heavily custom modded blocks | May need dedicated compatibility work if they do unusual things with shapes, rendering, collision, placement, or models. |
| 🗼 | Very deep compound arrangements | Some deep or compound lowering is intentionally capped so targeting stays reliable instead of eating your clicks. In human terms, crazy ridiculous slabbing-blocking buildings can make things misbehave! |
If something looks wrong, it probably is, and it is probably worth reporting. Just see if it has already been reported first, pleeease.
terrain_slabs mod id and the legacy terrainslabs id.Mods that heavily customize block shapes, rendering, collision, placement, or models may still need dedicated compatibility work.
Bug reports are super duper helpful! The most useful ones include:
Next up is more careful slab support, one behavior family at a time:
Things should sit where they look like they sit.
Minecraft makes that surprisingly complicated.
Slabbed is made by one person and is still actively evolving. Every bug report, screenshot, video, and weird edge case helps make slab-supported building better. Thank you for playing with Slabbed and helping me make it what it is!
:3 Peetsa
Highly recommended: Countered's Terrain Slabs
