Makes it so that both doors on a double door, fence gates upon each other and trap doors up to a grid of 2×3 open together when opening one by hand or with redstone.
How to install:
- Download and install Minecraft Forge.
- Download and install Grim3212 Core.
- Download the mod.
- Go to %appdata%.
- Go to .minecraft/mods folder.
- If the “mods” folder does not exist you can create one.
- Drag and drop the downloaded jar (zip) file into it.
- Enjoy the mod.