ModsFinder

Structure Void Toggle

by TelepathicGrunt

Structure Void Toggle lets players switch Structure Void blocks between their full hitbox size and a smaller footprint while editing structures.

FabricForgeNeoForgeQuiltClient-side onlyMIT LicenseOpen source1.17.1 – 26.3

What it does

Structure Void blocks make it hard to add or remove blocks inside a structure, because their invisible hitboxes block the cursor. This client-side mod adds a toggle that changes the hitbox size of these blocks, so editing a structure becomes simpler. It requires Fabric API on Fabric and runs on Fabric, Forge, NeoForge and Quilt.

The toggle is bound to keys: the Insert key turns off the rendering of invisible Structure Blocks, which reduces lag when a structure shows many of them. Page Up makes placed blocks Structure Void Light instead of replacing an existing Structure Void Light block. From version 26.2 on, the Minus and Equals keys lower and raise the forced render distance, and that setting persists after a restart.

The mod is released under the MIT License and is open source. Builds cover 1.17.1 – 26.3 across 30 release versions, and the latest file for 26.3 is dated 2026-09-15. Only the client needs it, so servers and other players can run without it.

Key features

  1. Hitbox size toggle

    Switches Structure Void blocks between their full hitbox and a smaller size, so placing and removing blocks is less frustrating.

  2. Invisible block rendering

    The Insert key hides invisible Structure Blocks, which helps when a structure would otherwise render a large number of them.

  3. Light placement mode

    The Page Up key makes placed blocks Structure Void Light, instead of replacing an existing Structure Void Light block.

  4. Forced render distance

    The Minus and Equals keys change the forced render distance, starting from 26.2, and the value is kept after relaunching Minecraft.

Compatibility

Latest build for each game version and loader.

26.x5 of 5 versions with builds
26.34.5.6+26.3Not available4.5.6+26.3Not available
26.24.5.6+26.2Not available4.5.6+26.2Not available
26.1.24.5.4+26.1Not available4.5.4+26.1Not available
26.1.14.5.4+26.1Not available4.5.4+26.1Not available
26.14.5.4+26.1Not available4.5.4+26.1Not available
1.21.x10 of 10 versions with builds
1.21.114.5.3+1.21.11Not available4.5.3+1.21.11Not available
1.21.104.5.3+1.21.10Not available4.5.3+1.21.10Not available
1.21.94.5.3+1.21.9Not available4.5.3+1.21.9Not available
1.21.8Not availableNot available4.5.2+1.21.6Not available
1.21.7Not availableNot available4.5.2+1.21.6Not available
1.21.64.5.1+1.21.6Not available4.5.2+1.21.6Not available
1.21.54.5.1+1.21.5Not available4.5.1+1.21.5Not available
1.21.44.5.0+1.21.4-FabricNot available4.5.0+1.21.4-NeoforgeNot available
1.21.14.4.2+1.21.1-fabricNot available4.4.3+1.21.1-neoforgeNot available
1.214.4.1+1.21-fabricNot available4.4.1+1.21-neoforgeNot available
1.20.x6 of 6 versions with builds
1.19.x5 of 5 versions with builds
1.18.x3 of 3 versions with builds
1.17.x1 of 1 version with builds
ReleaseBetaAlphaNot available

Only full game releases are shown. This mod publishes no snapshot builds.

Requirements

Dependencies declared by the latest file for each loader.

Required 1

Fabric APILightweight and modular API providing common hooks and intercompatibility measures utilized by mods using the Fabric toolchain.
Required

Use cases

Who it’s for: Players and builders who create structures with Structure Blocks and Structure Void blocks in Minecraft Java Edition.

How it compares

Full comparison

Toggle Render Distance is a client-only Fabric mod for 1.21.8 with a custom license and no open source code, so it covers only the render distance keys. Extended Structure Blocks is a client and server mod for Fabric and Forge on 1.18.2 under the MIT License, so both sides need it. True Sight is a client and server mod for Fabric and Quilt on 1.20.5 – 1.21.5, open source under the MIT License.

ModLoadersGame versionsEnvironmentUpdated
Structure Void ToggleFabric, Forge, NeoForge and Quilt1.17.1 – 26.3Client-side only2026-09-15
Toggle Render DistanceFabric1.21.8Client-side only2025-08-22
Extended Structure BlocksFabric and Forge1.18.2Client and server2024-10-08
True SightFabric and Quilt1.20.5 – 1.21.5Client and server2024-09-26

Questions

Does Structure Void Toggle need Fabric API?

Yes. Fabric API is the required dependency, and it must be installed on Fabric alongside this mod.

Does the server need Structure Void Toggle?

No. Only the player's game needs it, and servers run without it.

Which loader should be used with this mod?

The mod is published for Fabric, Forge, NeoForge and Quilt, so the loader choice depends on the other mods in the instance. The latest Forge file targets only 1.20.1.

In the catalog

Structure Void Toggle is one of 36,990 Utility mods on ModsFinder, and one of 25,772 Utility mods for Fabric. 8,071 mods support Minecraft 26.3.

Utility mods36,990Fabric modsMods for 26.38,071

More from TelepathicGrunt

All projects
Repurposed Structures - Fabric1.16.5 – 26.3The Bumblezone - Fabric1.16.5 – 1.21.1Structure Layout Optimizer1.16.1 – 26.3Repurposed Structures - Neoforge/Forge1.16.5 – 26.3The Bumblezone - NeoForge/Forge1.16.5 – 1.21.1Repurposed Structures - Farmer's Delight Compat1.18 – 26.2

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What the author says

A little backstory, I was making structures and using Structure Blocks to save them with Structure Void for world generation later. However, I got fed up with Structure Void making it difficult to add/remove blocks in my structures. So I decided to make this really simple mod where you can toggle between the size of…
TelepathicGrunt, on the Modrinth page

Official listing

Owner
TelepathicGrunt
Published
2022-04-21
Updated on Modrinth
2026-09-15
Facts verified
2026-10-15

Tags

Utility
Open on ModrinthCompare