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
Special Money
The United States Mint makes the money we use. The … read more
In the Know
Women Archaeologists
Gertrude Caton-Thompson was an English archaeologist. She was born in … read more
In the Know
What are Flamingos?
Flamingos live in warm areas near water. They have curved … read more