Modscraper Modscraper Minecraft

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Underlay

Mod

by Dooji

Place any block (such as carpets) inside anything!

Type

Mod

CurseForge Downloads

9,416,451

CurseForge ID

1263531

Modrinth Downloads

1,321,522

Modrinth ID

iltKD9qU

Last Updated

Sep 10, 2026

Description

**Underlay** is a Minecraft mod that lets you place carpets (and more) under any block with space beneath it (e.g. chests, beds, signs, torches, etc.)! Just **right click a block face with a block to place it**, (for example, under an upside-down stair), and you're done! Right click again with another item to replace it quickly, or left click it to remove it. Works in **Survival** too! ![Preview](https://i.postimg.cc/50nR26v0/ezgif-1478728b20dbf1.gif) By default, you can place the following blocks as overlays: carpets, trapdoors, buttons, rails, slabs and pressure plates. **To expand this to other blocks**, such as grass, see "How to add support for more blocks (or exclude some)". #### Join the Discord server for sneak peeks on upcoming updates! [![Join now!](https://img.shields.io/badge/Join%20now-Discord-7289DA?logo=discord&logoColor=white&style=plastic)](https://discord.gg/UPmnyM9YcY) --- ### How does this work? **They are not block entities!** Underlay adds these things called "overlays" ~~but they're really more like underlays xd~~, essentially they are fake versions of the item you place - which lets you place two things in the same block space! ### How to add support for more blocks (or exclude some) In your Minecraft folder you can find `config/Underlay/underlay.json`. Use `overlay_blocks` to add blocks, and `exclude_blocks` to exclude them, like this: ``` { "overlay_blocks": [ "minecraft:short_grass", "mymod:shiny_block" ], "exclude_blocks": [ "minecraft:oak_button", "minecraft:rail" ] } ```

Compatibility

Mod Loaders

Fabric Forge Neoforge

Game Versions

1.12.2 1.20 1.20.1 1.21 1.21.1 1.21.2 1.21.3 1.21.4 1.21.5 1.21.6 +9 more

Recommended Gear

Affiliate

Hardware and extras that pair well with this mod.

LEGO Minecraft Set

LEGO Minecraft Set

Official sets that translate the building side of the game off-screen.

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As an Amazon Associate I earn from qualifying purchases.

Screenshots

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External Resources

CurseForge Modrinth Source Code Wiki Issues