Sketching a Curve on a Surface

You can sketch or refine a curve directly on a surface.

Before you begin: Create a 3D shape containing a subdivision surface.
See Also
Refining a Curve
  1. From the Shape Sculpt section of the action bar, click Sketch Curve .
  2. From the Tools Palette, click On Surface and start drawing the curve.
    The curve is sketched and lies on the surface.

  3. Click On Surface again to clear the icon.
  4. Refine the existing curve by extending its extremity.
    The curve is sketched outside the surface.

  5. Click On Surface and continue refining the curve.
    The curve is sketched again on the surface.