How to Fold an Origami Cube 🧊 Step-by-Step Instructions

The Sonobe Cube is a wonderful example of modular origami, where multiple folded pieces come together to form an origami cube.

This model is made from six identical units, called Sonobe modules, which Mitsunobu Sonobe introduced in the late 1960s. Over the years, the Sonobe Cube has become a favorite among origami enthusiasts for its simplicity and elegance.

To make this paper cube, you’ll fold six square sheets of paper into Sonobe units, then assemble them by sliding the flaps of one piece into the pockets of another.

You won’t need any glue or tape. Just clever folds and a bit of patience! It’s easy enough for beginners to pick up, and trust me, the feeling you get when you finally see the finished cube is so satisfying.

Ready to give it a try? Let’s get folding!

Origami Sonobe Cube Step-by-Step Instructions

Difficulty: Easy – Beginner Level 2
Folding time: 15 minutes
Model designer: Mitsunobu Sonobe
Paper: Kami 15×15 cm

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Step 1

Start with the white side of the paper up. Fold in half vertically and unfold.

Step 2

Fold the left and right edges to the centerline, then unfold.

Step 3

Fold the top left corner and bottom right corner to meet the creases made in Step 2.

Step 4

Fold the left and right edges back to the centerline using the creases made in Step 2.

Step 5

Fold the top and bottom edges to meet the side edges, then unfold.

Step 6

Using the creases from Step 5, tuck the corners under the flaps on the opposite side.

Step 7

Turn the unit over.

Step 8

On both sides, fold from corner to corner along the same edge, then unfold. Turn the unit over again.

The Completed Sonobe Unit

Fold five more identical units. We’ll now assemble them to form the cube.

Step 9

Insert the flaps of two units into the center pockets of a third unit.

Step 10

Insert the top and bottom flaps of the third unit into 2 additional units.

Step 11

Start forming the cube shape by folding along the dotted lines while inserting the flaps into their respective pockets.

Step 12

Insert flaps of the last unit into pockets on the opposite sides of the cube.

🧊 That’s how you square things up! Your origami cube is complete.

Congratulations on completing your origami Sonobe cube!

This modular origami isn’t just fun to fold. It’s also a great way to experiment with colors and patterns.

Try using three different colors or designs, with two units of each, to create unique and eye-catching combinations like those shown in our tutorial pictures.

Don’t hesitate to share your creations with us on socials or in the comments. We’d love to see them!

If you’re interested in learning more about the Sonobe Module and its importance in the world of origami, check out David Mitchell’s Origami Heaven.

Download the Full Origami Cube Printable PDF Instructions

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