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International Journal of Morphology

versión On-line ISSN 0717-9502

Resumen

TIZNADO-MATZNER, Gonzalo; BUCAREY-ARRIAGADA, Sandra  y  LIZAMA-PEREZ, Rodrigo. Experience in the Creation of an Online Platform to Host Three-Dimensional Models of Real Anatomical Pieces to be Shared as Open Educational Resources (OER). Int. J. Morphol. [online]. 2019, vol.37, n.4, pp.1267-1271. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022019000401267.

For a long time, the teaching of human anatomy, apart from dissections and observations of cadaveric samples, has been based on texts and later complemented with softwares with two-dimensional (2D) images or models that imitated anatomical structures. With the development of technology in recent years, three-dimensional (3D) digital modeling has been booming, to which anatomy has not been oblivious. Through digital photogrammetry this objective can be achieved, since it is a method that consists of capturing a large number of images from the different angles of an object, in a controlled light environment, and then to be entered into specialized software, which is responsible for grouping and generating the necessary information so that the volume and depths of the object are converted into a mesh of polygons, to be subsequently coated with a texture, thus obtaining a 3D digital model. The problem with this method is the time it takes to take good quality images. For this reason, through the Directorate of Research and Development of the Universidad Austral de Chile, a 3D scanner was acquired, a device that allows obtaining a large number of images at different angles in less time, and through its own software creates 3D digital models. We have digitized 76 anatomical samples from our human anatomy laboratory, which were uploaded to the web platform Sketchfab, a social network that specializes in sharing 3D digital models. After this an open web page was created that allows organizing the models hosted in Sketchfab, according to the body segment to which they belong. This page can be accessed by anyone, from any place that has internet, through a personal computer, smart cell phone or tablets, making it an open educational resource (OER).

Palabras clave : 3D Digitals Models; Anatomical Samples; Open Educational Resource; Web Platform.

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