Psychology of Aesthetics, Creativity and the Arts has published our last study in regards to Aesthetic Preferences:
Gómez-Puerto, G., Rosselló, J., Corradi, G., Acedo-Carmona, C., Munar, E., & Nadal, M. (2017). Preference for Curved Contours Across Cultures. Psychology of Aesthetics, Creativity, and the Arts. First online publication. http://dx.doi.org/10.1037/aca0000135.
A draft version is avalaible here.