






Usage
This datapack allows you to duplicate items. To duplicate items, first build a structure with 1 ancient debris, 4 basalt, 1 crying obsidian and 4 lightning rods:

Next, light the top of the crying obsidian with a flint and steel enchanted with summoning. The flint and steel will break instantly. This will create a duplicator. To use the duplicator, place the block you want to duplicate 2 blocks underneath it, then place basalt under the duplicator. It will duplicate the block.
Installation
Datapack
On Create World
- Click the More tab
- Click Data Packs
- Click Open Pack Folder
- Paste in the downloaded datapack
- Move the datapack to Selected
- Click Done
Add to existing world
- Select the world
- Click Edit
- Click Open World Folder
- Open the
datapacksfolder - Paste in the downloaded datapack
Required Resource Pack
Singleplayer
- Open the resource pack list
- Click Open Pack Folder
- Paste in the downloaded resource pack
- Move the resource pack to Selected
Server
- Add the downloaded resource pack as a server resource pack
- Make server resource packs required
Compatibility
This datapack is not currently intentionally compatible with other datapacks or mods.
However, it should be compatible with most mods or datapacks that don't change how flint and steel works.
- Edition: Minecraft Java
- File type: .jar
- Minecraft version listed: 1.21.11
- 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 Modrinth — not every file is mirrored on our own servers.
Install steps are the general flow for this file type — see the MC Java Mods guides for the full walkthrough.
- Downloads as cobl703's Duplication DP.zip
- Download size: 11 KB
- Download link checked 7 Sept 2026 — working
These come from our own check of the pack file, not from the source page.