Ready to install?

ArcBuilder ArcBuilder - 1.21.0

Check the game version, loader and dependencies below, then grab this exact release.

CurseForge release

arcbuilder-1.0.8.jar

ArcBuilder - 1.21.0

Game
1.21
Loader
Fabric
Published
13 Feb 2026
Channel
release
File size
56.9 KB

SHA-1ee3d7036c1a48ef1b8bb6fb9e680ddee95a1125f

Where this file goes

Client, server, or both?

Client Source doesn’t say
Dedicated server Source doesn’t say

The source does not explicitly classify this release as client-only or server-only.

Dependencies for this release

What else does it need?

No required project dependencies are listed for this release.