A net has to be able to fold up into the 3D shape. All of the following shapes are nets of a cube.

Michelle Starr is CNET's science editor, and she hopes to get you as enthralled with the wonders of the universe as she is. When she's not daydreaming about flying through space, she's daydreaming ...

The process from Dartmouth College, New Hampshire, thermally changes the arrangement of molecular rings on a chemical chain to create 3D printable gels with various functional properties. Described by ...

The first metal thingamajig ever 3D printed in space has landed on Earth, where European Space Agency (ESA) scientists are now studying it. In a press release, the ESA announced that the object — a ...

BUFFALO, N.Y. – 3D printing is transforming everything from fashion and health care to transportation and toys. But this rapidly evolving technology, also known as additive manufacturing, can threaten ...

2D shapes are flat, plane shapes. Triangles have three sides and three angles that add up to 180°. Quadrilaterals have four sides and four angles that add up to 360°. Constructing triangles Learn how ...