Project Narwhal 3.0 is a release file of the Minecraft mod Project Narwhal, made for Minecraft 1.12.1, 1.12, 1.12.2. It was published on January 17, 2019 and is 1.1 MB in size. For the full description, screenshots and every other version, visit the Project Narwhal mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.