How to Make an Inflatable Cube Out of Paper

Co-authored by Robert Homayoon

Last Updated: December 4, 2024

Transform a simple sheet of paper into a fun, three-dimensional inflatable cube with just a few folds and puffs of air. This creative origami project is easy to make and perfect for beginners looking to explore paper crafting!

Steps

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First, fold one sheet of square paper in half horizontally to create a crease guide and then unfold the sheet of paper.
- Press creases with your thumbnail to ensure clean folds, and make sure you’re folding on a flat surface like a table or desk for better accuracy.
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Now, fold the sheet in half diagonally (top right corner to lower left corner) to create another crease guide and unfold the sheet of paper.
Once again, fold the sheet in half diagonally (top left corner to lower right corner) to create a crease guide then unfold the sheet of paper.
Repeat on the other side of the triangle shape.
Repeat on the other side of the diamond shape.
Repeat this step on the other side.
Repeat this step on the other side.

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Question

Can it be any kind of paper?

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Community Answer

Yes, as long as it folds well and is not too stiff or flimsy.

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Question

Which hole do you blow into inflate it?

Community Answer

On one side of the pointy ends, it looks kind of ripped, and you blow in there.

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Question

How do I fold the two side creases in to make pyramid?

Community Answer

Hold the piece of paper as if folding in half horizontally, but as you push two of the horizontal folds in together, the diagonal folds need to push out. If you can get one side into an equilateral triangle with the point at the top, the other side will follow suit.

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Tips

If you don't have a square piece of paper take a rectangular one, fold it it diagonally until you see a big triangle and a skinny rectangle under it and cut the triangle out then unfold it.

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This works best with origami paper.

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Tips from our Readers

The advice in this section is based on the lived experiences of wikiHow readers like you. If you have a helpful tip you’d like to share on wikiHow, please submit it in the field below.

Eventually, condensation your breath and frequent reinflating will break down the paper. If there are holes in your cube, you can patch them up with tape.
Don't use paper that's too thin or it won't hold its shape. You'll also want to avoid paper that's too thick as you won't be able to inflate it.

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Warnings

Don't fill this with water unless you know that the paper is strong enough to hold it.

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Don't blow too hard into the hole or the small triangles will pop up from inside the larger ones.

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