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The eraser pen: A new interaction paradigm for curve sketching in 3D

: Amicis, R. de; Bruno, F.; Stork, A.; Luchi, M.

Marjanovic, D.:
7th International Design Conference 2002. Proceedings : May 14 - 17, 2002, Cavtat, Dubrovnik, Croatia
Zagreb: Faculty of Mecanical Engineering and Naval Architecture, University of Zagreb, 2002
ISBN: 953-6313-45-6
International Design Conference (DESIGN) <7, 2002, Dubrovnik>
Fraunhofer IGD ()
3D Interaction; free form surface design; CAD; HCI

The paper presents a direct manipulative technique called 3D-Eraser Pen. By means of this technique if the resulting polyline, curve or surface is not exactly what the designer wants, he/she can delete part of the sketch just going back and do it again and again until he/she reaches the final shape. In that way we have combined the creation and deletion process, rewriting the pencil and rubber metaphor in just one tool. The possibility to use a tool that allow the user to specify 3D curves in a very easy and natural way represents the major contribution to the paper. The combination of the semi-immersive environment with lightweight interaction devices and innovative interaction techniques facilitates intuitive free-form modeling at a Virtual Table.