3-D Freeform Isomalt Printing (video) University of Illinois at Urbana-Champaign Share Print E-Mail Loading video... Caption A bridge model is 3D printed from isomalt, the type of sugar used to make throat lozenges. The melted sugar hardens as it is printed, allowing freeform, midair printing. The printing process took about 40 minutes. Credit Video courtesy of Matthew Gelber Usage Restrictions None Share Print E-Mail 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.