The InterpCrvOnSrf command draws a curve through selected locations on a surface.


1. Select a surface.
2. Pick the start of the curve.
3. Pick the next points, and press Enter.


The curve will not cross seams in the surface.
Object snaps End, Cen, Mid, Near, Knot, and Int can be used.

Command-line options


Closes the curve when the cursor moves close to the curve's start point.

AutoClose steps

1. Move the cursor close to the start point of the curve, and pick.

The curve will close.

2. Press the Alt key to suspend automatic closing.


The Close option closes the curve.

Note: This option appears only after three points have been placed.


The Undo option reverses the last action.

See also

Draw lines and curves

Rhinoceros 5 © 2010-2015 Robert McNeel & Associates. 17-Sep-2015