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September 18, 2014

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Zachary Cook, a UNLV mechanical engineering student, speaks during an interview at UNLV Thursday, July 17, 2014. An engineering team at UNLV is designing a "robohand" for 4-year-old Hailey Dawson using the school's 3D printer. Dawson was born with a birth defect that left her only with a thumb and pinky on her left hand.

Steve Marcus

Zachary Cook, a UNLV mechanical engineering student, speaks during an interview at UNLV Thursday, July 17, 2014. An engineering team at UNLV is designing a "robohand" for 4-year-old Hailey Dawson using the school's 3D printer. Dawson was born with a birth defect that left her only with a thumb and pinky on her left hand.