mjackson148May 29, 20162 min read19-Year-Old Penn State Student Uses 3D Printing to Keep Headphone Cords Tangle-FreeShemar Coombs, 19, from Pennsylvania State University in Philadelphia, PA, is one of this year’s competitors in the i.Invest Competition....
mjackson148May 29, 20162 min read19-Year-Old Penn State Student Uses 3D Printing to Keep Headphone Cords Tangle-FreeShemar Coombs, 19, from Pennsylvania State University in Philadelphia, PA, is one of this year’s competitors in the i.Invest Competition....