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</html><thumbnail_url>https://varsity.com.cuhk.edu.hk/wp-content/uploads/2014/12/IMG_9742.jpg</thumbnail_url><thumbnail_width>886</thumbnail_width><thumbnail_height>591</thumbnail_height><description>3D printing has been used to make industrial and commercial prototypes, models, machine parts, even the body of a car. But the technology could provide even bigger breakthroughs in the world of medicine, where researchers are experimenting with 3D printed artificial limbs and organs. Varsity looks at some existing medical uses of the tenchology as well as possible future applications.</description></oembed>
