Artificial Intelligence
Surface feature constraint deformation for free-form and interactive design
Proceedings of the fifth ACM symposium on Solid modeling and applications
ArtDefo: accurate real time deformable objects
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Parametric and Feature Based CAD/Cam: Concepts, Techniques, and Applications
Parametric and Feature Based CAD/Cam: Concepts, Techniques, and Applications
Sketch- and constraint-based design of B-spline surfaces
Proceedings of the seventh ACM symposium on Solid modeling and applications
Specification of freeform features
SM '03 Proceedings of the eighth ACM symposium on Solid modeling and applications
Extended Constrained Deformations: A new Sculpturing Tool
SMI '99 Proceedings of the International Conference on Shape Modeling and Applications
Parameterization of Freeform Features
SMI '01 Proceedings of the International Conference on Shape Modeling & Applications
Automatic Knot Determination of NURBS for Interactive Geometric Design
SMI '01 Proceedings of the International Conference on Shape Modeling & Applications
Hierarchical D-NURBS Surfaces and Their Physics-Based Sculpting
SMI '01 Proceedings of the International Conference on Shape Modeling & Applications
3D sketching with fully free form deformation features (δ-F4) for aesthetic design
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
The process improvement impact on the styling workflow of an industrial design company
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
Life-sketch: a framework for sketch-based modelling and animation of 3D objects
AUIC '10 Proceedings of the Eleventh Australasian Conference on User Interface - Volume 106
Gesture-based design of 2D contours: an alternative to sketching?
Proceedings of the Eighth Eurographics Symposium on Sketch-Based Interfaces and Modeling
Automatic extraction of free-form surface features (FFSFs)
Computer-Aided Design
The significance of form elements: a study of representational content of design sketches
Procedings of the Second Conference on Creativity and Innovation in Design
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This paper addresses the designers' activity and in particular the way designers express an object shape in 2D sketches through character lines and how these lines form a basis for sketching shapes in 3D. The tools currently available in commercial CAS/CAD systems to manipulate the digital models are still not sufficiently suited to support design. In this paper, the so-called fully free-form deformation features (@d-F^4) are introduced as a modelling method to take into account the curve-oriented stylists' way of working. Both the advantages of a free-form surface deformation method and a feature-based approach are merged to define these high-level modelling entities allowing for a direct manipulation of surfaces through a limited number of intuitive parameters. Such features incorporate several characteristics designed to handle the uncertainties and/or inconsistencies of the designer's input during a sketching activity. In addition, a @d-F^4 classification is proposed to enable a fast access to the desired shape according to its semantics and characteristics.