Ivan Potocnik, Toni DiPalma, Shawn Daley and Ryan Quigley are friends from upstate New York and Massachusetts with nine 3D printers between them, according to their group RIST 3D Printing’s website.
They formed RIST 3D Printing in mid-March, DiPalma said. The crew produces more than 100 protective medical shields each day, according to Potocnik, who is a SUNY Oneonta…