---
type: Fractal Concept
title: Menger Sponge
description: Three-dimensional generalization of the Cantor set and Sierpinski carpet obtained by iterative subdivision and removal of central cubes.
resource: https://tyson-swetnam.github.io/fractal-notebooks/okf/concepts/classics/menger-sponge/
tags:
- classics
- 3d-fractals
aliases:
- menger
hausdorff_dim_range:
- 2.7268
- 2.7268
sources:
- id: glossary
  resource: https://tyson-swetnam.github.io/fractal-notebooks/foundations/glossary/
  title: Fractal Notebooks glossary (Chapter 4)
- id: seed
  resource: https://github.com/tyson-swetnam/fractal-notebooks/blob/main/fractal_rag/src/fractal_rag/concepts/seed.yaml
  title: fractal_rag concept seed (seed.yaml)
generated:
  by: process:fractal-rag-okf-export
  at: "2026-10-24T00:00:00Z"
status: stable
---

# Definition

Three-dimensional generalization of the Cantor set and Sierpinski carpet obtained by iterative subdivision and removal of central cubes.

# Aliases

`menger`

# Hausdorff dimension

Approximately **2.7268**.

# Related concepts

* [Cantor Set](cantor-set.md)
* [Sierpinski Triangle](sierpinski-triangle.md)

# Citations

[1] [Fractal Notebooks glossary (Chapter 4)](https://tyson-swetnam.github.io/fractal-notebooks/foundations/glossary/) — `docs/foundations/glossary.md`

[2] [fractal_rag concept seed (seed.yaml)](https://github.com/tyson-swetnam/fractal-notebooks/blob/main/fractal_rag/src/fractal_rag/concepts/seed.yaml) — `fractal_rag/src/fractal_rag/concepts/seed.yaml`