Dome tutorial
How to Build a Dome in Minecraft Layer by Layer
Build Minecraft domes for roofs, greenhouses, observatories, and arenas with layer-by-layer dome blueprints.
Open the Minecraft Dome GeneratorChoose the base diameter
A dome starts with the widest base layer. Choose a diameter that fits the building below it, then make sure the base circle and the dome share the same center.
Medium domes often work well around 15 to 25 blocks wide, while large greenhouses and observatories may need a much wider base.
Build upward one layer at a time
A Minecraft Dome Generator shows the circle or ring required at each height. Start with the widest layer and move upward as the pattern becomes smaller.
Check the dome from the side regularly. If one layer shifts off center, the top of the dome will look uneven.
Pick hollow or filled mode
Most architectural domes should be hollow because only the outer shell is visible. Hollow mode is ideal for glass roofs, greenhouses, observatories, and halls.
Filled mode uses far more blocks and is usually better for terrain shapes or solid decorative structures.