DIS'19, ExpanDial

ExpanDial: Designing a Shape-Changing Dial

Hyunyoung Kim, Patrícia Deud Guimarães, Céline Coutrix, Anne Roudaut

Proceedings of the 2019 on Designing Interactive Systems Conference, DIS’19. (acc.25%) [pdf]

(A-B-C) A conceptual shape-changing dial that changes the circumference and height. (D) The dial can be used for instance for color adjustment (Image by SharkD). (E) Our working prototype ExpanDial, a shape-changing dial based on expandable origami mechanism.

We investigate the design of a shape-changing dial, i.e. a dial that  can  change  its  circumference  and  height  to  adapt  to different contexts of interaction. We first explore how users grasp  3D  printed  dials  of  different  heights  and circumferences in order to inform the form factor of shape-changing  dials.  We  then  design  a  prototype,  ExpanDial, inspired from morphing origami. We then use our prototype as a probe within design sessions and use the participants’ feedback to devise a set of applications that can benefit from such  reconfigurable  devices.  We  also  used  the  design sessions to  better understand what  kind of  interaction and manipulation could be harnessed from such device.

Video of the working prototype

For the instruction of building ExpanDial, visit PhyFlex website.

© Hyunyoung Kim

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