Structure Void is a technical block used primarily by map makers and developers to control the generation of structures. It is invisible and non-solid, allowing for the preservation of air spaces within a structure when saved as a template. This ensures that when the structure is generated elsewhere, it does not replace existing blocks in the target area, maintaining the integrity of the original design without unintended alterations.
The numerical item ID for Structure Void is 217
Numerical item IDs will only work in Minecraft versions below 1.13.
The item ID for Structure Void is minecraft:structure_void
This is the spawn command to give yourself Structure Void in Minecraft which includes the Minecraft /give command. If you are using the Essentials plugin you will need to use /minecraft:give instead of /give