A Protocol for Bioinspired Design: A Ground Sampler Based on Sea Urchin Jaws.

Area of Science:

• Bioinspired design
• Biomimetics
• Materials science

Background:

• The Aristotle's lantern, sea urchin mouthpart, offers complex biological structures for inspiration.
• Its musculature and teeth enable diverse functions like scraping, cutting, and boring.
• Bioinspiration requires a systematic process from observation to bioexploration.

Purpose of the Study:

• To detail the bioinspiration process using the Aristotle's lantern as a model.
• To analyze the structure and mechanics of the Aristotle's lantern.
• To fabricate and test a bioinspired device mimicking the sea urchin's feeding apparatus.

Main Methods:

• Animal observation and specimen characterization.
• Micro-computed tomography and scanning electron microscopy for structural analysis.
• 3D printing for bioinspired device fabrication and finite element analysis for mechanical exploration.

Main Results:

• Detailed analysis of the Aristotle's lantern's design architecture and tooth microstructure.
• Successful fabrication and testing of a 3D-printed bioinspired mechanism.
• Mechanical insights into the evolutionary advantage of keeled tooth structures.

Conclusions:

• A circular bioinspiration approach deepens understanding of biological systems.
• The Aristotle's lantern provides a robust model for bioinspired engineering.
• Mechanical principles derived from nature can explain evolutionary adaptations.