The starting point of the program is to carry out research on bionics. As a hot spot of intelligent construction, 3D printing is used by more and more people to print with bionic forms, so as to achieve a harmonious state between human and biological groups. Barnacles are the general name of the sphingopoda subclass. All barnacles live in the ocean, and most of them live in shallow waters such as the intertidal zone. The juveniles are self-swimming, but as adults they are unable to move on their own and can only survive by clinging to hard surfaces and filtering food.