3D Printed Forms and Products Design Coral Extinction Ring by Sardonna Hin Ting Tsui Coral is found underwater and not many people get an opportunity to explore their beauty. These three wearable rings attempts to bring coral’s intricate form and colours, as well as its importance to the attention of the society. The design is an abstract representation of coral’s deterioration. There are three stages in this series; the first stage displays a healthy and prosperous well-being of coral reef. In the second stage, the coral begins to die and it shows half its skeleton and half its polyps. Finally, the third stage shows the inside skeleton of coral, representing its death.