description Sonobe Cube Overview
The Sonobe cube is a modular origami model constructed by assembling six identical Sonobe units. This folding system was developed by Mitsunobu Sonobe and gained widespread popularity during the 1960s and 1970s. Each unit is folded from a square sheet of paper and interlocked with the others to form a rigid geometric shape without the use of glue. The Sonobe module serves as a versatile foundation for creating more complex polyhedra and is widely used as a teaching tool in origami education.
help Sonobe Cube FAQ
How many Sonobe units are needed for a cube?
A standard Sonobe cube uses six identical units. Each folded unit contributes faces and locking tabs that connect without glue.
Why does a six-unit Sonobe cube hold together without tape?
Each module has tabs that slide into pockets on neighboring modules. Once all six units are interlocked, the closed structure keeps the connections under mutual tension.
Is the Sonobe cube a good first modular origami project?
Yes. It teaches repeated unit folding, consistent creasing, and pocket-and-tab assembly with only six pieces of paper.
What larger models can be built after a Sonobe cube?
The same family of units can form stellated polyhedra and larger modular balls using many more pieces. Common next projects use 12 or 30 units, although assembly becomes substantially more involved than the six-unit cube.
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