# Menger Sponge Slices

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Start with a cube. Draw nine squares on each face of the cube, forming a 3×3 pattern. Drill out the middle squares across the cube. Take the eight squares left on each face and draw the 3×3 pattern for each one. Drill straight through again. Keep doing that; the Menger sponge fractal is the limit of the process.

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This Demonstration slices the Menger sponge by a plane perpendicular to a main diagonal at certain distances.

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Contributed by: Robert Dickau (March 2015)
Open content licensed under CC BY-NC-SA

## Details

Snapshot 1: a cube sliced diagonally reveals a hexagonal face

Snapshot 2: different depths of slices reveal similar shapes

Snapshot 3: with no slice, the figure is the Menger cube

Inspired by John D. Cook [1].

Reference

[1] J. D. Cook, "Code to Slice Open a Menger Sponge," John D. Cook (blog). (Mar 23, 2014) www.johndcook.com/blog/2011/08/30/slice-a-menger-sponge.

## Permanent Citation

Robert Dickau

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