Create Blue Prints Anti Dupe
Java mod listed for Minecraft 1.21. Downloads from the MC Java Mods app on Android.
⬇ Download on CurseForgeThe author built this one for Minecraft 1.21.1 on NeoForge. On other versions it may install and then do nothing.
Hey! Theres a Well Known Item Duplication Bug Involving Create Mod Blue Prints
This Is a Server Side Mod Addon For Create Mod That Patches Said Exploit
This Addon Can Be Used On The Client / Singleplayer (In Your ModPack Ect)
For The Server Owner - This Addon Is Only Needed On The Server Side To Patch The Dupe
Special Thanks To Zero ( KaderRater ) For Showing Me This Exploit
Anyone Can Use This Addon For Anything They Wish Enjoy!
Also Check Out Our Cursed Fate Minecraft Server
Heres Our Discord : https://discord.gg/2qjYYGXmQ4
All Are Welcome To Join!
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.1
- How to install: Install the matching mod loader (Forge, Fabric or NeoForge) for your Minecraft version. → Download the .jar. → Put it in the .minecraft/mods folder and launch that loader profile.
- Where to get it: Opens on CurseForge — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — How to install Minecraft Java mods & modpacks walks through it step by step.
- Ships as create_blueprint_antidupe-1.0.0.jar — drop this file into the mods folder
- Download size: 8 KB
- Download link checked 3 Oct 2026 — working
These come from our own check of the pack file, not from the source page.