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A Texas boy, Keith Harris, born with a medical condition known as symbrachydactyly, which basically means one of his hand did not fully develop, was given a helping hand by a global group of volunteers in form of a 3D printed hand.
The kindergartner, apparently had a traditional prosthetic hand that he was already using and which would be very uncomfortable when he outgrows it. His parent would have had to pay $40,000 to get him a new traditional prosthetic hand but the group of volunteers stepped in and printed a 3D prosthetic hand for him at the cost of $45-$50. The group will also replace it as he outgrows it.
Keith and his family are happy as you would imagine especially because Keith is happy people wouldn't be staring a him anymore.
source: digital trends.com