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Sandbox Multiblocks | SBMB

A Simple Multiblock Crafting System
by remag
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7,434 downloads
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Updated Jul 6, 2026
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API and Library

Sandbox Multiblocks

Sandbox Multiblocks lets you craft items by physically building multiblock structures in the world. Assemble a 3x3x3, 5x5x5, 7x7x7, or even larger structures by adjusting the config settings, then hit the center block of any side with the Multiblock Crafting Hammer to craft the result.


Features

Multiblock Crafting
Build multiblock structures and activate crafting by hitting the center block of any side with the Multiblock Crafting Hammer.

Dummy Center Blocks
Use these special blocks when your multiblock doesn’t have enough height for its width and depth—ideal for flat or horizontal builds.

Multiblock Debug Wrench
A development tool that generates multiblock recipe JSONs in-game to simplify the recipe creation process.

Basic JEI Support
Shows which items can be crafted using multiblock crafting.
Note: It does not display how to build the multiblocks themselves—pack developers will need to use a guidebook mod like Patchouli or provide diagrams/documentation some other way.


An example datapack is available here to demonstrate how multiblock recipes are defined.

For support with SBMB join the discord here!

Add structure-based crafting to your modpack with Sandbox Multiblocks and open up new possibilities for creative and immersive crafting systems.

sbmb-1.2.0-1.20.1.jar
MC Client, 1.20.1, Forge, Server
Release 2025-10-21 Get

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