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Proceedings of CAD'16, 2016, 11-16
Prototyping the Complex Biological form of the Beetle Deltochilum Lobipes via 2D Geometric Morphometrics Landmarks and Descriptive Geometry for 3D Printing

Dina Rochman, Universidad Autónoma Metropolitana
Efraín De Luna, Biodiversidad y Sistemática, INECOL

Abstract. In this paper, we present research carried out in the Morphometrics Laboratory, Institute of Ecology, in Xalapa, Veracruz, Mexico, which consisted of creating a new method that links geometric morphometrics techniques and descriptive geometry, to find, through the coordinates "x", "y" and "z", the morphological points that define a 3D model of biological form of a beetle. In geometric morphometrics, each morphological point or Landmark defines the numerical values of the coordinates "x" and "y" in a Cartesian space that contains any biological form, and in descriptive geometry, the geometry of any biological form is delimited by the points in space which project in the orthogonal projection. In this project we worked with the beetle Deltochilum Lobipes that belongs to the Scarabaeidae family. We made two prototypes in 3D printing, from the 2D coordinates of morphological points which were obtained through the tpsDig2 (Rohlf 2008) program. This research documents evidence that supports the hypothesis of our project: "the quantitative descriptors of shape and size in 2D, contribute in the modeling of complex geometric structures in 3D".

Keywords. Beetle, Geometric morphometrics, Descriptive geometric, Rapid Prototyping

DOI: 10.14733/cadconfP.2016.11-16