How to Make a Circle in Minecraft - The Complete Beginner Guide Building a perfect circle in Minecraft sounds simple until you try it. The game only gives you square blocks, so every round shape is really a pattern of blocks that fools the eye. The trick is never to guess: a good circle plan tells you exactly which blocks to place, row by row, before you start. That is how experienced builders get towers, lighthouses and domes right on the first try. Start by choosing the diameter, which is how many blocks wide the circle is. Odd diameters like 9, 11 or 15 sit neatly on a single centre block, which makes them the easiest to build and to mirror. Place the outline first using a chart, then decide whether your build needs the inside filled or left hollow. Block counts (outline / filled): Diameter 7: outline 16 blocks, filled 37 blocks. Diameter 9: outline 24 blocks, filled 69 blocks. Diameter 11: outline 28 blocks, filled 97 blocks. Diameter 13: outline 36 blocks, filled 137 blocks. Diameter 15: outline 40 blocks, filled 177 blocks. Work one quarter at a time. A circle is symmetrical, so once the first quarter looks right, the same pattern repeats on every side. If a row feels wrong, stop and recount from the centre instead of pushing on - one wrong block early becomes a lopsided tower later. Plan your own circle here: minecraft circle generator