This work presents a 3D digital method for visualizing and analyzing the Bornholmian miniature rock art, also known as Neolithic sun stones. The methodology is applied on fifteen carved slate plaques from a collection of approximately seven hundred complete and fragmented stones found at the Middle Neolithic sites Vasagård and Rispebjerg on the Danish island Bornholm. A study of the carvings is presented that combines 3D scanning and 3D modelling in Artec Studio, visualization softwares MeshLab, GigaMesh, and virtual lights, with the aim of providing a comprehensive review of the engraved surfaces. The use of 3D tools for improving the visualization of the inscriptions and the analysis of the stones facilitate the extraction of geometrical information, as well as supporting the possibility of a holistic study of the entire collection in the future. Using the 3D method to visualize fine carvings on the stones, carvings were identified that can be interpreted as ritual “killing” marks, demonstrating the usefulness of digital methods for visualizing and analyzing miniature rock art. Finally, the results of the analysis are also discussed in relation to ritual practices and the ritual contexts in which they have been found.
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