Huge Structure Blocks Mod FAQ

Open your creative inventory and look for the structure block items in the dedicated creative item group the mod adds. Place a structure block and open its interface to begin saving or loading builds. From there you can switch between Save, Load, and Corner modes just like vanilla, but with much larger limits.

The mod raises the structure size limit to 512 blocks, far beyond the vanilla cap of roughly 48 blocks per axis. This applies to the bounding box you define in Save and Load modes. If you need something even larger, you can split it into multiple structures and place them adjacent to each other.

The mod increases the render distance of the structure bounding box to 256 blocks, but if you're beyond that the outline won't draw. Move closer to the structure block to bring the box back into view. This is a rendering limit, not a problem with your structure.

Switch the structure block to Corner mode, then place corner blocks at opposite ends of the area you want to capture. The mod's optimized corner search finds the matching corners much faster than vanilla, which matters at large sizes. Once both corners are set, switch to Save mode and the bounding box will be filled in for you.

Saving a massive structure is still a heavy operation even with the mod's optimizations, so expect a brief pause. Try saving smaller sections separately and placing them together afterward if the freeze is too long. Make sure you're not running other heavy mods that compete for memory during the save.

Yes, the mod removes the Jigsaw depth limit, so you can nest jigsaw structures much deeper than vanilla allows. This is useful for complex dungeon or village-style generation. Keep in mind that extremely deep jigsaw chains can still affect world generation performance.

Vanilla structure features and pools have a distance limit of 128 blocks that restricts how far apart related structure pieces can generate. The mod removes that limit, letting structure features and pools place pieces across much larger distances. This is mainly relevant if you're building custom world generation with structure features.

The mod needs to be installed on both the client and the server for structure blocks to work correctly with the expanded limits. If only the client has it, the server will still enforce vanilla limits. Check that everyone connecting has the same mod version to avoid sync issues.

The mod optimizes the corner search algorithm and bounding box rendering, which helps, but the sheer number of blocks in a 512-block structure can still impact performance. Loading a massive structure into a crowded area is the most likely cause of lag. Consider loading large structures in stages or in less populated chunks.

It generally works alongside other mods that use structure blocks or jigsaw systems, since it only raises limits rather than replacing the underlying mechanics. However, mods that also modify structure block behavior may conflict. If something behaves oddly, test with only this mod enabled to isolate the issue.