single continuous line drawing triceratops dinosaur. large prehistoric dinosaur triceratops. extinct ancient animals. animal

animal background beast big clip art concept continuous line cretaceous danger dangerous dino dinosaur doodle drawing era extinct gigantic green hand drawn herbivore herbivorous horn isolated jurassic large lines minimalism minimalist monster one paleontology period prehistoric profile reptile side simple simplicity single strong triceratops vector vegetarian view web dinosaur triceratops ancient animals history concept dynamic draw graphic design