3D shapes can be made from 2D shapes called nets. Watch the video to learn how 3D shapes, such as a cube, can be created from nets, an arrangement of 2D shapes. Let's talk about nets. More ...

Since it crowdfunded on Kickstarter back in 2013, 3Doodler has come out with multiple versions of its 3D-printing pen -- including a kids version and a pro version-- as well as themed kits focusing on ...

A prism is a 3D shape which has a constant cross section - both ends of the solid are the same shape and anywhere you cut parallel to these ends will give you the same shape. For example, in the prism ...