3d seashell nautilus, gold logo. golden ratio with smooth . can be used for advertising, marketing, presentation, card

seashell luxury fibonacci golden gold template symbol logo presentation ammonite ratio cover education model helix dynamic element fossil biology backdrop decorative plastic artwork shape nautilus shell aquatic illustration form swirl structure abstract spiral microbiology nature motion art organic vector physics design marine life object mollusk microscopic science effect background ld000020 smooth used for advertising marketing card flyer technological isolated black logo shape