tinker_io-1.9-alpha 2.0.3d is an alpha file of the Minecraft mod Tinker I/O, made for Minecraft 1.9. It was published on May 15, 2016 and is 5.5 MB in size. Pre-release builds can contain bugs — back up your world before installing. For the full description, screenshots and every other version, visit the Tinker I/O mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
