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Nora Broy, Stefan Schneegass, Florian Alt, Albrecht Schmidt
FrameBox and MirrorBox: Tools for Prototyping User Interfaces for 3D Displays
In CHI '14: Proceedings of the 32nd SIGCHI Conference on Human Factors in Computing Systems. Toronto, Canada, April 26 - May 1, 2014. ACM, New York, NY, USA. (bib)

In this paper, we describe the design and development of MirrorBox and FrameBox Ð two user interface (UI) prototyping tools for stereoscopic 3D (S3D) displays. As autostereoscopy (glasses-free 3D) becomes available for the mass market we believe the design of 3D UIs for devices, such as mobile phones, public displays, or car dashboards will gain importance at a rapidly accelerating pace. A benefit of such interfaces is that they can group and structure information in a way that makes them easily perceivable for the user, for example, by showing important information further to the front then currently less important information. This paper first explores core requirements for designing S3D UIs. Based on these requirements we then built two prototyping tools with the aim to overcome limitations of traditional paper prototyping when it comes to sketching the S3D UI. We evaluated the prototypes with usability experts from different fields and compared them to traditional paper prototyping.