flapAssist: How the integration of VR and visualization tools fosters the factory planning process. - Sascha Gebhardt; Sebastian Pick; Hanno Voet; Julian Utsch; Toufik Al Khawli; Urs Eppelt; Rudolf Reinhard; Christian Büscher; Bernd Hentschel 001; Torsten W. Kuhlen (VR, 2015)