diagram3d-1.21.1-1.0.3.jar is a release file of the Minecraft mod Create Aero Addon: 3Diagram for NeoForge, made for Minecraft 1.21.1. It was published on September 18, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Create Aero Addon: 3Diagram mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
