Technical Report Number
We present a system for sketching in 2D to create 3D curves. The interface is light-weight, pen-based, and based on observations of how artists sketch on paper.
Grimm, Cindy and Joshi, Pushkar, "Just Draw It! A 3D Sketching System" Report Number: WUCSE-2012-5 (2012). All Computer Science and Engineering Research.