“Aesthetic sensitivity to curvature in real objects and abstract designs” has been published in Acta Psychologica.
Corradi, G., Belman, M., Currò, T., Chuquichambi, E. G., Rey, C., & Nadal, M. (2019). Aesthetic sensitivity to curvature in real objects and abstract designs. Acta Psychologica, 197, 124-130. Link