Image 3 (IMAGE) Nanyang Technological University Caption This pollen-derived ink developed by NTU Singapore (in the tube) is able to hold its shape when deposited onto a surface, making it a viable alternative to current inks used for 3D printing in the biomedical field (also known as bioprinting). Credit NTU Singapore Usage Restrictions Use with mandatory credit 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.