Estimated minutes: 20 min
Designer: Tomoaki Hamanaka
A cuboctahedron formed by applying three-dimensional sink folds to each vertex of a cube. It is well suited for approximating a sphere when creating structures such as light bulbs.
Children

Ball Chair
initial design of a ball chair.

Light Bulb
A three-dimensional light bulb. When held up to the light, the filament inside is visible.