verticalslabs 1.21.4 is a release file of the Minecraft mod Verticals slabs for Forge, made for Minecraft 1.21.4, 1.21.4-Snapshot. It was published on June 26, 2026 and is 0.1 MB in size. For the full description, screenshots and every other version, visit the Verticals slabs mod page.
How to install: Put the .jar into the mods folder (.minecraft/mods) and start Minecraft with the matching mod loader profile.
