Menger Sponge — A cube is hollowed into a three-dimensional web of repeated openings.
Look closely. Let the image settle.
Fractals & infinity / 1926

Menger Sponge

A cube is hollowed into a three-dimensional web of repeated openings.

TRY THIS

Compare a face of the sponge with the Sierpiński carpet. Look through the intersecting channels.

FOLLOW THE SOURCES

History, evidence & image credit

THE IMAGE IN THIS ARCHIVE

Niabot

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Frequently asked questions

What is Menger Sponge?

A cube is hollowed into a three-dimensional web of repeated openings.

What should I look for in Menger Sponge?

Compare a face of the sponge with the Sierpiński carpet. Look through the intersecting channels.

What explains Menger Sponge?

Divide a cube into 27 smaller cubes. Remove the central cube and the six face-center cubes, leaving 20; repeat the process in each survivor.

Menger Sponge — A cube is hollowed into a three-dimensional web of repeated openings.

Menger Sponge