Read the layer stack
The sphere is generated from deterministic horizontal slices. The middle layers are widest and the cap layers contract toward the top and bottom. Select a layer to inspect its exact square-grid footprint.
Hollow versus filled
Hollow mode keeps the outside shell and applies the selected thickness. Filled mode includes every voxel inside the sphere boundary. Compare total blocks and layer counts before collecting materials.
Export safely
The Litematic export contains the complete 3D voxel plan. Test imports in a copy of the world first, especially when changing the Minecraft or Litematica version.