3-D Printers

3-D Printers — page 1
1 3-D wonders It’s Saturday afternoon and you can’t wait to do your weekend homework Your assignment is to make a model of your favorite animal First you use your computer to design a shark Then you hit print You watch as your 3-D printer creates a shark layer by layer out of plastic When the printer stops you examine the shark Its fins tail and even teeth are molded into a model that looks just like the real animal This is the power of 3-D printing 3-D stands for three-dimensional 3-D objects have height width and depth Traditional computer printing is 2-D or two-dimensional 2-D printing creates images with height and width but no depth In place of ink and paper 3-D printers use materials such as plastic or metal Instead of images on paper they create objects This includes tools car parts and even toys 3-D printing is also known as additive manufacturing This is because the printed item is made from scratch Its layers are built up to create a final object 3-D printing creates less waste