---
title: "Discussion on \"Why Your Minecraft Sphere Has Holes: Building a Watertight Hollow Sphere Layer by Layer\" | Hashnode"
description: "Discussion on \"Why Your Minecraft Sphere Has Holes: Building a Watertight Hollow Sphere Layer by Layer\". Per-layer outlines leave 69 open columns in a 21-wide Minecraft sphere. Checking six neighbours closes every hole for 1,082 blocks."
url: "https://hashnode.com/posts/why-your-minecraft-sphere-has-holes-building-a-watertight-hollow-sphere-layer-by-layer/6abbc72c7a9ebf2cc6c9d600"
---

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# [Why Your Minecraft Sphere Has Holes: Building a Watertight Hollow Sphere Layer by Layer](https://pixelcircles.hashnode.dev/why-your-minecraft-sphere-has-holes-building-a-watertight-hollow-sphere-layer-by-layer?utm_source=hashnode&utm_medium=feed)

Per-layer outlines leave 69 open columns in a 21-wide Minecraft sphere. Checking six neighbours closes every hole for 1,082 blocks.

Sep 29 · 7 min read · pixelcircles.hashnode.dev  
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## Written by

[PixelCircles](https://hashnode.com/@pixelcircles)

@pixelcircles

  
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Free Minecraft circle, sphere and dome generators with block counts.

We make PixelCircles, a set of free browser tools for Minecraft builders: circles and ovals up to 1,000 blocks wide, spheres, domes, towers and lighthouses, each with block counts and a .litematic export. Site: https://pixelcircles.com/

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