Demonstrating multimodal (land + water) locomotion.

Chassis

FDM 3D Printed by black PLA

Locomotion

Two three-stage DC motors powering pectoral fins, Helical scotch-yoke-like mechanism driving tail w/ elastomer strips

Electronics and Control

Xiao SAMD21 board with smaller motor leads + water sensor

Encapsulation

Soft shell Ecoflex mold encapsulating hard shell