I only make golden ratio logos and posters. In a golden ratio design all intervals are in golden ratio with one another making the image coherent. I g ...more I only make golden ratio logos and posters. In a golden ratio design all intervals are in golden ratio with one another making the image coherent. I give the client relative dimensions of the logo/poster in phi, the golden ratio. Please do not invite me if you are not interested in this type of design. Golden Ratio was used in ancient art and architecture. Analysis of selected artworks can be seen in my website. hide