How do I install Building Blocks?

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. Opens on Modrinth — not every file is mirrored on our own servers.

What Minecraft version does Building Blocks work with?

The listing gives Minecraft 1.21.11. This is the version stated by the author or source site, not something we verified ourselves.

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Building Blocks

by CSS_FR · on Modrinth

⬇ Download on Modrinth

Open in MC Java Mods Get it on Google Play →

This modpack contains optimization mods, Litematica, WorldEdit, and Axiom. Made for builders.

Mods

  Main
    1. Axiom
    2. Litematica
    3. WorldEdit
  Optimization
    1. Sodium
    2. Lithium
    3. Entity Culling
    4. FerriteCore
    5. ImmediatelyFast
    6. No Chat Reports
    7. Krypton
  Support
    1. Fabric API
    2. Fabric Language Kotlin
    3. Collective
    4. MaLiLib
    5. Text Placeholder API
  Other
    1. Mod Menu
    2. Hide Experimental Warning

Setup

No setup necessary.

Disclaimer

I do not own or develop any of the mods in this modpack.

Quick facts

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 — How to install Minecraft Java mods & modpacks walks through it step by step.

Verified by MCModsHub

Downloads as Building Blocks 1.21.11 1.0.0.mrpack
Download size: 14 KB
Download link checked 24 Aug 2026 — working

These come from our own check of the pack file, not from the source page.

Explore more

All Modpacks for Java All Minecraft Java mods Java mods for 1.21