Byproduct Hotfix (3.9.2.37) for 1.20.1 is a beta file of the Minecraft mod Tinkers Construct for NeoForge, Forge, made for Minecraft 1.20.1. It was published on March 5, 2025 and is 17.8 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 Tinkers Construct mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
