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Use predictive stroke to smooth line work and correct basic shapes to circles, triangles, and rectangles.
Draw with X, Y, XY, and up to 16-sector radial symmetry for perfectly symmetrical designs.
Use fully adjustable rulers, ellipse guides, and French curves for precision drawing.
Snap every stroke to an on- or off-canvas vanishing point with 1-, 2-, 3-, and 5-point (fish-eye) perspective.

Turn your concept into creation
AutoCAD + SketchBook
Use SketchBook to sketch ideas and iterate quickly. Easily import your sketches into AutoCAD and turn them into engineering drawings.

Draw and iterate underlays
Revit + SketchBook
Import your SketchBook illustrations into Revit. Use your SketchBook file as an underlay, and build your model on top of the sketch.