ASC-1.0.0g-NeoForge-1.21.1-21.1.242plus.jar is a release file of the Minecraft mod Aetherial Structure Compatibility for NeoForge, made for Minecraft 1.21.1. It was published on August 10, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Aetherial Structure Compatibility mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.