To make a 3-D object, you start with a model. A model is made on a computer. It shows what the object will look like. The computer tells the printer how to make it.
Photo Credit: FrameStockFootages/Shutterstock/
In the Know
Water Changes!
What do you think the temperature is in this place? … read more
In the Know
How Do Airplanes Fly?
Airplane wings have a special shape. They are curved on … read more
In the Know
What Can You Do at a Library?
You can read with a friend or in a small … read more