ScaffoldSketch: Accurate Industrial Design Drawing in VR
summary
ScaffoldSketch is a VR drawing system that auto-corrects two staged strokes: scaffold auto-correction snaps straight construction lines by endpoints, directions, lengths and tick marks, resolving conflicting relationships with an iterative re-weighed least squares solver. Shape strokes become smooth curves constrained to scaffold endpoints/midpoints or ticks, optimized for minimal curvature variation and supporting space curves. A remote study with six industrial designers reports improved accuracy and willingness to adopt. Current output is curve networks (no surfacing) and shape drawing remains scaffold-guided rather than freeform.
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