Free Minecraft build tool

MINECRAFT SPHERE GENERATOR

Set custom width, height and depth, inspect every exact Y layer, then use local layer exports or a WorldEdit command. The tool runs entirely in your browser.

Live 3D planner

YOUR SPHERE

578 preview blocks

Diameter

Any width 3–256. The 3D preview is simplified above 31; use layers and WorldEdit for large builds.Diameter slider

Grid lines Zoom100%

Wall thicknessUsed by outline mode. Filled mode ignores thickness.

Style

Block

Use the WorldEdit command for a full sphere, or export one layer at a time. Generated locally in your browser. No account, AI token, or credit is used.

Build guide layer

Y = 0. Use this top-down grid while building layer by layer.

Orange = this layer (48 blocks) · click orange to mark placed · teal = previous layer (40 blocks)

3D preview

Rotate the live model before you start placing blocks.

Layer guide

Move through Y levels to see the exact top-down shape for each layer.

Practical export

Export manageable layers as Java Edition commands, or use WorldEdit for a full sphere.

Sphere generator guide

PLAN A CLEAN MINECRAFT SPHERE

Use outline mode for a hollow observatory, planet or roof shell; use filled mode for a solid decorative build. Start from the centre of the lowest layer and build upward using the layer slider. For a half-sphere roof, use the Minecraft Dome Generator. Need a surrounding build designed from a prompt? Continue in the AI Minecraft Builder.