Time-Lapse Video (video) Kansas State University Share Print E-Mail Loading video... Caption This time-lapse video shows the 3-D printing process to create a Kansas State University Powercat made of graphene aerogel. GUINNESS WORLD RECORDS has named the graphene aerogel as the world's least dense 3-D printed structure. Credit Kansas State University 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.