What is the main idea of the ReadWorks passage "Printing the Future"? A. Architects have begun using 3D printers to make small, realistic models of houses they design to give clients a sense of what the finished home will look like.

B. People are using 3D printing technology to build things from houses and medical devices to cakes and jewelry, saving time and money through the new technology.

C. Many chefs now use 3D printing technology to create vegan steaks and burgers, saving time that the chef would usually spend assembling and cooking the meat.

D. A 3D printer usually uses a 3D scanner or a computer program to sketch out what the printer will create in thin layers of materials like plastic or metal.

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