3D Freeform Modeling by Two-Handed Clay Work

Abstract

The widespread of VR and hand tracking technology opens new possibilities of 3D modeling tools that enable a novice user to create a model with a flat learning curve. However, existing VR modeling tools are difficult for beginner to start modeling because of its complexity on trial-and-error based operations, such as adjustment of deformation on the model. In this paper, we propose a novel 3D modeling system that enables a user to create a freeform 3D shape based on a play-dough metaphor. The user can deform the shape of an object by simple two-handed hand gestures. The object is represented as a set of playdough particles and their connectivity changes according to the hand gestures. We show several examples of generated 3D models to demonstrate the expressiveness of our system. We also report the result of our pilot user study conducted to examine the acceptability to novice users.