Expand your world! This mod allows you to customize your world border with just gamerules.
Commands:
/bordertimer - How long until the border will expand
/bordersettings - See the settings for the border
Gamerules:
borderSize - Changes the base size of the border. The base value is 32
initialExpansionSize - Changes the initial expansion size. The base value is 4, meaning the first expansion will be 4 blocks.
expansionTimer - How long (in minutes) there will be between expansions. The base value is 30 minutes.
expansionIncrease - How much the expansion size will increase each expansion. The base value is 1.