Reblock
The Reblock mod enables recording blocks and generating animations with a single command
About this Mod
The Reblock mod enables recording blocks and generating animations with a single command, avoiding the excessive workload caused by using numerous setblock and summon fallingblock commands to generate large-scale structures. Currently, you can use /reblock help to get assistance. This mod theoretically supports all versions of 1.20.X.
Available Versions
How to Install Reblock on Your Server
Order Server
Order a Minecraft Java server with at least 3 GB RAM (4 GB recommended).
Set fabric Loader
In the panel under "Egg", select the fabric loader and matching Minecraft version (1.21.1).
Install Mod
Open the mod browser in the dashboard and search for "Reblock". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.1, 1.20.6, 1.20.5 (+5 more)
Server-side
✓ RequiredRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
Reblock server crashes on startup – what to do?
Most common cause: wrong fabric version or insufficient RAM. Check the server log (latest.log) for "OutOfMemoryError" or "Mixin" errors. With Mado Hosting: ensure at least 3 GB RAM is allocated and the loader matches the mod version (1.21.1). You can switch loaders with one click in the panel.
Is Reblock compatible with fabric?
Reblock officially supports fabric for Minecraft 1.21.1, 1.20.6, 1.20.5. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with Reblock – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if Reblock consumes the most tick time. Common fixes: reduce server view-distance to 8-10, install "performant" or "starlight" as supplementary mods on Forge. With Mado Hosting, your server runs on NVMe SSDs with dedicated CPU cores for minimal latency.
Rent Modded Server
Install Reblock with just one click on your server.