D

　　Imagine having an idea, drawing it on paper, bringing it to a store and seeing it turned into a physical object. This is now possible with the help of 3D printers. Such machines were once used just by universities and big companies，but now, stores with 3D printing services are appearing around the United States.

　　Bryan Jaycox and his wife opened The Build Shop LLC in Los Angeles two years ago. The store is filled with tools like a laser cutter, an industrial sewing machine and 3D printers. The Jaycoxs offer 3D printing classes and services for anyone who is interested.

　　“I think 3D printing is going to be huge. It’s going to have a huge effect on society as a whole.” One of the students in a recent class was KiChong Tran. He plans to open a 3D printing business in Cambodia.

　　3D printing services are becoming available for American consumers.

　　The UPS Store is a nationwide retailer（零售商）that provides shipping, copying and other services. The UPS Store recently put 3D printers in three of its independently-owned stores. Burke Jones owns one of the stores in San Diego.

　　“The demand has been amazing. It’ s been much more than I would have imagined.” The UPS Store plans to add 3D printers in three more stores.

　　At The UPS Store, the cost of the object depends on the amount of materials used. The store charges up to $95 an hour to design the object with computer software that creates a digital file to guide the printer.

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