3D printed chocolate (IMAGE) Rutgers University Caption Professor with a heart: Rutgers Food Science Professor Qingrong Huang has produced low-fat chocolate hearts using a 3D printer. Credit Christa Principato/Rutgers University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.