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Watch Robert Downey, Jr. deliver a 3D-printed bionic ‘Iron Man’ arm to Alex.
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Seven-year-old Alex Manero was born with a partially developed right arm. New 3D-printing technology from Limbitless Solutions makes bionic limbs more affordable for those who need them. Watch Robert Downey, Jr. shake hands with Alex after personally giving him a new red Iron Man arm.Photo—officevideos/YouTube