Development of foldable 3D printed structures: pop-up book case study

• Main Author: Chua, Han Wei
• Other Authors: Yeong Wai Yee
• Format: Final Year Project
• Language: English
• Published: Nanyang Technological University 2024
• Subjects: Engineering; 3D printing; Pop-up card; Linkages; Foldable structures
• Online Access: https://hdl.handle.net/10356/177188
• Institution: Nanyang Technological University

Traditionally, pop-up books have been perceived as engineering marvels due to the vast diversity of ideas and concepts utilised in its intricate mechanisms. Through integrating these concepts with the versatility of 3D printing technology, this project also involves a comprehensive analysis of mathematical models that govern foldable pop-up structures. Prototypes are fabricated and subjected to cyclic and tensile loading to assess their durability and functionality for everyday usage. The results of the overall investigation reveal valuable insights. Specifically, it is found 3Dprinted TPU joints exhibit sufficient durability for prolonged use. This showcases the viability of 3D printing in constructing foldable structures. Additionally, results show that 3D printing exhibits anisotropic characteristics. Hence, greater consideration is needed when designing and printing specific features. Through this interdisciplinary pursuit, deeper understanding on the advantages and disadvantages of integrating 3D printing and foldable structures is achieved.