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 ...

Houston – On our show today, Mark gave Lauren and Crystal a lesson in 3D drawing. Watch the video above to follow along, and see how their drawings turned out. Mark Kistler is an Emmy Award-winning ...

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 ...