Freehand drawing is a conventional and natural way to design in three dimensions. The project uses the Waltz-Clowes constraint propagation algorithm to interpret 3D sketches.

web page: http://depts.washington.edu/napkin/dc/dc.html

researchers: Eric Schweikardt, Mark D Gross

publications:
• 2000 Digital Clay: Deriving digital models from freehand sketches
• 1998 Digital Clay: Deriving Digital Models from Freehand Sketches, in ACADIA

presentations:
• Digital Clay Movie