
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/
You are in rough patch of air. This is called … read more
Americans have special rights. Rights are the freedoms people have. … read more
September 17th is Constitution Day. Let’s look at what this … read more
© 2026 McGraw-Hill Education. All Rights Reserved.