DimensionV3.1.jar is a release file of the Minecraft mod Obsidian Dimension by Sparschweincrafter for NeoForge, made for Minecraft 1.21.4. It was published on March 31, 2025 and is 0.4 MB in size. For the full description, screenshots and every other version, visit the Obsidian Dimension by Sparschweincrafter mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.