Organic shapes are irregular and natural. They are usually to be found in leaves, flowers, plants and animals. Their main characteristics are curving appearance and smooth flowing outline. Organic and geometric shapes combined with an illustration or image, they really add a nice level of depth to poster design, breaking up the monotony of the same circles and squares. So in this post we have collected 25 organic shapes in poster design with their unusual appearance used to grab a user`s attention. Enjoy!