Politecnico di Torino Porto Institutional Repository [Article] Design of web-based interactive 3D concept maps: A preliminary study for an engineering drawing course Original Citation: Enrico Vezzetti, Mariagrazia Violante (2014). Design of web-based interactive 3D concept maps: A preliminary study for an engineering drawing course. In: COMPUTER APPLICATIONS IN ENGINEERING EDUCATION. - ISSN 1099-0542 Availability: This version is available at : http://porto.polito.it/2563354/ since: September 2014 Publisher: John Wiley & Sons, Ltd Published version: DOI:10.1002/cae.21610 Terms of use: This article is made available under terms and conditions applicable to Open Access Policy Article ("Public - All rights reserved") , as described at http://porto.polito.it/terms_and_conditions. html Porto, the institutional repository of the Politecnico di Torino, is provided by the University Library and the IT-Services. The aim is to enable open access to all the world. Please share with us how this access beneļ¬ts you. Your story matters. (Article begins on next page)