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Structure ExpansionMinecraft mod for 26.3

Small mod that Increases the size limit of structure blocks and fill command

newest supported release 26.3Server UtilityWorld StructuresLibrary Api
Latest version
structureexpansion-26.3.0.1.jar
Loaders
NeoForge, Forge
Licence
not stated
Downloads
13.5M
Updated
1 mo ago
Available on
CurseForge

Minecraft versions

Every version Structure Expansion declares support for, newest first, with the Java runtime that version needs.

Other mods
MinecraftThroughJavaEvidenceReleased
26.3NeoForge, Forge25+declared15 Sept 2026
26.2NeoForge, Forge25+declared16 Jun 2026
26.1NeoForge, Forge25+declared24 Mar 2026
1.21.1NeoForge, Forge21+declared8 Aug 2024
1.21NeoForge, Forge21+declared13 Jun 2024
1.20.4NeoForge, Forge17+declared7 Dec 2023
1.20.1NeoForge, Forge17+declared12 Jun 2023
1.20NeoForge, Forge17+declared2 Jun 2023
1.19.4Forge, NeoForge17+declared14 Mar 2023
1.19.3NeoForge, Forge17+declared7 Dec 2022
1.19.2NeoForge, Forge17+declared5 Aug 2022
1.19.1NeoForge, Forge17+declared27 Jul 2022
1.19Forge, NeoForge17+declared7 Jun 2022
1.18.2NeoForge, Forge17+declared28 Feb 2022
1.18.1NeoForge, Forge17+declared10 Dec 2021
1.16.5NeoForge, Forge8+declared14 Jan 2021
1.16.3NeoForge, Forge8+declared10 Sept 2020
1.16.2NeoForge, Forge8+declared11 Aug 2020
1.16.1NeoForge, Forge8+declared24 Jun 2020

Download

From Structure Expansion’s own host. Nothing is re-hosted here.

Most recently published release

structureexpansion-26.3.0.1.jarrelease20 Sept 2026

structureexpansion-26.3.0.1.jar · 24 KB · for 26.3 · NeoForge

Download this release
1ee6294eb335…
Older versions24
  • [NEOFORGE][26.2] Structure Expansion 102.0.022 Jun 202626.224 KB19 downloadsde05a397125a…Get
  • [NEOFORGE][26.1] Structure Expansion 99.0.028 Mar 202626.124 KB17 downloadsf85ff771330a…Get
  • [NEOFORGE][1.21.1] StructureExpansion 88.0.110 Jul 20251.21.126 KB1.2M downloads73dbedaa61d5…Get
  • [NEOFORGE][1.21] StructureExpansion 87.0.019 Jun 20241.21.1, 1.2126 KB741.9k downloadse66bdb4df65b…Get
  • [FORGE][1.20.4] StructureExpansion 84.0.07 Jan 20241.20.426 KB3.7k downloads1c262da356bb…Get
  • [NEOFORGE][1.20.4] StructureExpansion 84.0.07 Jan 20241.20.426 KB134.9k downloadse62eeb52810a…Get
  • Structure-Expansion Forge 2.0.1+mc1.20.13 Aug 20231.20.125 KB1.2M downloads1dd23d541f12…Get
  • structure-expansion-2.0.0-build.10.jar20 Jun 20231.20.125 KB2.6k downloads7f29fba04629…Get
  • structure-expansion-2.0.0-build.9.jar10 Jun 20231.2025 KB917 downloadsa7894847e512…Get
  • structure-expansion-1903.1.4-build.8.jar25 Feb 20231.19.4, 1.19.325 KB1.6k downloads5c6a43d401af…Get
  • structure-expansion-1902.1.3-build.7.jar25 Feb 20231.19.225 KB762.0k downloadseeb3a9d26962…Get
  • structure-expansion-1802.1.2-build.6.jar2 Feb 20231.18.225 KB1.7M downloadsa829153f8ee8…Get
  • structure-expansion-1901.1.1-build.5.jar31 Jul 20221.19.2, 1.19.125 KB7.1k downloads397959d40dae…Get
  • structure-expansion-1900.1.1-build.4.jar11 Jun 20221.1925 KB1.5k downloads8d3b7b4d8fe2…Get
  • structure-expansion-1802.1.1-build.3.jar3 Mar 20221.18.225 KB451.4k downloads2f23847ee351…Get
  • structure-expansion-1801.1.1-build.2.jar29 Jan 20221.18.125 KB592 downloads99632b9f558c…Get
  • structure-expansion-1801.1.0-build.1.jar11 Jan 20221.18.124 KB655 downloadsbbd5333c1df1…Get
  • StructureExpansion-1.16.5-1.0.7.jar18 Jun 20211.16.526 KB1.6M downloadsb271d11c1a91…Get
  • StructureExpansion-1.16.5-1.0.6.jar17 Jun 20211.16.525 KB167 downloads9abe454166e0…Get
  • StructureExpansion-1.16.5-1.0.5.jar10 Feb 20211.16.521 KB75.6k downloads4183be78f91d…Get
  • StructureExpansion-1.16.3-1.0.4.jar16 Sept 20201.16.321 KB594 downloads685152f58735…Get
  • StructureExpansion-1.16.2-1.0.3.jar13 Aug 20201.16.221 KB498 downloadsebaffa810fe8…Get
  • StructureExpansion-1.16.1-1.0.2.jar28 Jul 20201.16.121 KB626 downloadsd7d578f5e317…Get
  • StructureExpansion-1.16.1-1.0.1.jar27 Jul 20201.16.121 KB105 downloads41b75a7a9051…Get

Frequently asked

Does Structure Expansion work on Minecraft 26.3?

Yes. 26.3 is the newest Minecraft version Structure Expansion declares support for, and the claim comes from the author's own release metadata rather than from a compatibility list somebody maintains by hand.

Which Minecraft versions does Structure Expansion support?

Everything the author has declared, from 1.16.1 up to 26.3. The full list is in the table above, with the Java runtime each version needs next to it.

Which platform or loader does Structure Expansion support?

NeoForge, Forge. A build for one platform or loader will not necessarily load on another, so this is the first thing to check before the Minecraft version.

Which Java version do I need for Structure Expansion?

Among the supported Minecraft releases above, the highest recorded requirement is Java 25 or newer. Use the requirement for the exact Minecraft version you run; previews and snapshots may differ.

How do I install Structure Expansion?

Install the matching loader first, then put the downloaded file in your mods folder and start the game. The loader, the mod and Minecraft all have to be on the same version, which is the usual reason a mod does not appear in game.

Where do I download Structure Expansion safely?

Start with the author's page on CurseForge, which is where the data here is synced from. MCReference does not host or repackage files. When available, recorded download links go to the source for that release; verify the publisher, filename and any available checksum before running it.

Works on the same versions

Ordered by how much of the recent Minecraft version coverage overlaps, not by popularity.

Details from CurseForge, where the author last updated it on 20 Sept 2026. We do not host files or republish descriptions. Available download links point to the author’s own release.

Is this information wrong or missing something? .