Input method of boundary solids by sketching
Computer-Aided Design
SKETCH: an interface for sketching 3D scenes
SIGGRAPH '96 Proceedings of the 23rd annual conference on Computer graphics and interactive techniques
Generating multiple new designs from a sketch
Artificial Intelligence
Teddy: a sketching interface for 3D freeform design
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
Numerical Recipes in C++: the art of scientific computing
Numerical Recipes in C++: the art of scientific computing
Triangle: Engineering a 2D Quality Mesh Generator and Delaunay Triangulator
FCRC '96/WACG '96 Selected papers from the Workshop on Applied Computational Geormetry, Towards Geometric Engineering
Interpreting a 3D object from a rough 2D line drawing
VIS '90 Proceedings of the 1st conference on Visualization '90
Conceptual design and analysis by sketching
Artificial Intelligence for Engineering Design, Analysis and Manufacturing
Making the most of using depth reasoning to label line drawings of engineering objects
SM '04 Proceedings of the ninth ACM symposium on Solid modeling and applications
Technical Section: An optimisation-based reconstruction engine for 3D modelling by sketching
Computers and Graphics
On the evolution of geometrical reconstruction as a core technology to sketch-based modeling
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
A two-stage approach for interpreting line drawings of curved objects
SBM'04 Proceedings of the First Eurographics conference on Sketch-Based Interfaces and Modeling
Plushie: an interactive design system for plush toys
ACM SIGGRAPH 2007 papers
Visual languages and visual thinking: sketch based interaction and modeling
Proceedings of the 6th Eurographics Symposium on Sketch-Based Interfaces and Modeling
On expert performance in 3D curve-drawing tasks
Proceedings of the 6th Eurographics Symposium on Sketch-Based Interfaces and Modeling
Free-form Sketching with Ball B-Splines
UAHCI '09 Proceedings of the 5th International on ConferenceUniversal Access in Human-Computer Interaction. Part II: Intelligent and Ubiquitous Interaction Environments
Assessing lag perception in electronic sketching
Proceedings of the 7th Nordic Conference on Human-Computer Interaction: Making Sense Through Design
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This paper presents a freehand, sketch-based interface for Computed Aided Design (CAD) engineering design and finite element analysis. After a user sketches a two dimensional sketch consisting of connected straight and curved strokes, the sketch is processed by two optimization-based reconstruction algorithms that can reconstruct sketches of 3D objects made up of straight lines and planar curves. The proposed implementation allows certain types of objects with over 50 strokes to be reconstructed in interactive time. Following reconstruction, the structural properties of the 3D shape can be examined using finite element analysis. The object can quickly be modified using the pen-based interface according to the results of the analysis. The combination of a rapid, sketch-based design interface and finite element analysis allows users to iteratively design, analyze and modify 3D objects in an intuitive and flexible way.