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TouchSurfaceModels: Capacitive Sensing Objects through 3D Printers

  • Nowadays, 3D models can be downloaded from the internet and increasingly be printed by low cost 3D printers. In the future, blind people could benefit from this tendency. Unfortunately, many of these models are rather complex and not appropriate for the purely tactile exploration. To obtain quantitative data about how 3D printable models for blind people should be constructed, the tactile exploration can be recorded by video. However, the analysis of these videos is quite time consuming and expensive. Additionally, inaccuracies and masking effects may impede the use of this technique. In this paper we introduce a novel approach to automatically equip existing 3D models with a mesh of conductive wires which enable a touch sensitive surface for the printed 3D objects. These touch sensing 3D models can be printed in one turn by off-the-shelf 3D printers and used as an alternative to video recording. It allows exact registration of when and where the 3D object has been touched. In our multi-touch solution, particular attention has beenNowadays, 3D models can be downloaded from the internet and increasingly be printed by low cost 3D printers. In the future, blind people could benefit from this tendency. Unfortunately, many of these models are rather complex and not appropriate for the purely tactile exploration. To obtain quantitative data about how 3D printable models for blind people should be constructed, the tactile exploration can be recorded by video. However, the analysis of these videos is quite time consuming and expensive. Additionally, inaccuracies and masking effects may impede the use of this technique. In this paper we introduce a novel approach to automatically equip existing 3D models with a mesh of conductive wires which enable a touch sensitive surface for the printed 3D objects. These touch sensing 3D models can be printed in one turn by off-the-shelf 3D printers and used as an alternative to video recording. It allows exact registration of when and where the 3D object has been touched. In our multi-touch solution, particular attention has been paid to limit the number of necessary wires between 3D object and sensing electronics. Finally, our approach is evaluated by a feasibility study.show moreshow less

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Metadaten
Author:Timo GötzelmannORCiD, Christoph Althaus
URL / DOI:https://doi.org/10.1145/2910674.2910690
ISBN:978-1-4503-4337-4
Parent Title (English):Proc. 9th ACM International Conference on PErvasive Technologies Related to Assistive Environments
Publisher:ACM
Place of publication:New York, NY, USA
Document Type:conference proceeding (article)
Language:English
Release Date:2019/06/28
Volume:2016
Pagenumber:Article No. 22, pp. 1-8
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