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Communication Dans Un Congrès Année : 2016

Internal 3D Printing of Intricate Structures

Résumé

Additive technologies are increasingly used in Cultural Heritage process , for example in order to reproduce, complete, study or exhibit artefacts. 3D copies are based on digitization techniques such as laser scan or photogramme-try. In this case, the 3d copy remains limited to the external surface of objects. Medical images based digitization such as MRI or CT scan are also increasingly used in CH as they provide information on the internal structure of archaeological material. Different previous works illustrated the interest of combining 3D printing and CT scan in order to extract concealed artefacts from larger archaeological material. The method was based on 3D segmentation techniques within volume data obtained by CT scan to isolate nested objects. This approach was useful to perform a digital extraction, but in some case it is also interesting to observe the internal spatial organization of an intricate object in order to understand its production process. We propose a method for the representation of a complex internal structure based on a combination of CT scan and emerging 3D printing techniques mixing colored and transparent parts. This method was successfully applied to visualize the interior of a funeral urn and is currently applied on a set of tools agglomerated in a gangue of corrosion.
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Dates et versions

hal-01391762 , version 1 (03-11-2016)

Identifiants

  • HAL Id : hal-01391762 , version 1

Citer

Théophane Nicolas, Ronan Gaugne, Cédric Tavernier, Valérie Gouranton, Bruno Arnaldi. Internal 3D Printing of Intricate Structures. 6th International Conference on Culturage Heritage - EuroMed 2016, Oct 2016, Nicosia, Cyprus. pp.432-441. ⟨hal-01391762⟩
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