Squidgets or 'sketch-widgets' is a novel stroke-based UI framework for direct scene manipulation. Squidgets is motivated by the observation that sketch strokes comprising visual abstractions of scene elements implicitly provide natural handles for the direct manipulation of scene parameters. Configurations of such strokes can further be explicitly drawn by users to author custom widgets associated with scene attributes. Users manipulate a scene by simply drawing strokes: a squidget is selected by partially matching the drawn stroke against both implicit scene contours and explicitly authored curves, and used in-situ to interactively control scene parameters associated with the squidget. We present an implementation of squidgets within the 3D modeling animation system Maya, and report on an evaluation of squidget creation and manipulation, by both casual users and professional artists.

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