
BlockPrintr
This mod converts scan files (.laz, .ply, and many more!) into block-based builds, printing 3D structures directly in your Minecraft world.
Screenshots

About this Mod
BlockPrintr converts 3D scan files into your Minecraft world in a few simple clicks. It supports various file formats, allowing you to bring the real world into the game.
There's other ways to put 3D objects into Minecraft, but our goal is to make it SIMPLE and FREE! We simplify the process by doing all the work for you, so without changing any settings you can already have a clean looking Minecraft representation.
Supported File Types:
- .glb
- .gltf
- .obj
- .laz
- .las
- .dxf
- .xyz
- .pts
- .ply
There's lots of customization features so that you can easily change how your structure looks in game. From different block palettes, to more advanced settings like shading and brightness adjustments.
The default hotkey to open the menu is "ENTER"
Simply drag a compatible scan file into the inputs folder, and then either click "Quick Place" or the "Edit" button to change block and color settings.
Available Versions
How to Install BlockPrintr 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 (1.21.4).
Install Mod
Open the mod browser in the dashboard and search for "BlockPrintr". Click "Install" – done! Alternatively, upload the .jar via SFTP to the /mods folder.
Compatibility
Mod Loaders
Minecraft Versions
1.21.4, 1.21.3, 1.21.2 (+2 more)
Server-side
✗ UnsupportedRecommended RAM
4 GB(min. 3 GB)Frequently Asked Questions
BlockPrintr 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 (1.21.4). You can switch loaders with one click in the panel.
Is BlockPrintr compatible with fabric?
BlockPrintr officially supports fabric for Minecraft 1.21.4, 1.21.3, 1.21.2. The Mado dashboard automatically detects incompatible loader combinations.
Server lagging with BlockPrintr – how to optimize performance?
Recommended RAM: 4 GB (per 8 players). Use /spark profiler to check if BlockPrintr 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.
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