ProjectPlastic R1.3 is a release file of the Minecraft mod Project Plastic, made for Minecraft 1.12.2. It was published on December 20, 2018 and is 0.3 MB in size. For the full description, screenshots and every other version, visit the Project Plastic mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.