Flat material folds into an orchid (VIDEO) Nanyang Technological University This video is under embargo. Please login to access this video. Caption Watch how a flat sheet of pollen material folds by itself into a 3D dendrobium orchid. 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.