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The CSec command creates cross-section curves through profile curves.


The cross-section lines must cross all of the profile curves.
For best results, space the cross section curves relatively evenly.


1. Using any curve creation command, draw profile curves that roughly define the shape of your object.
2. Select the profile curves.
3. Pick the start of a line that will define the cross-section plane that is perpendicular to the current construction plane.

Turning on Ortho or Grid Snap may help you control the section planes.

4. Pick the end of the cross-section plane.
5. In the plane defined at the cross-section line, a curve will be created that passes through the profile curves, and press Enter.

Once you have made the cross-section curves, you can use the Loft or other command to create a surface through them.

Command-line option


Determines whether closed curves or curves that start at the first profile line and end at the last profile line are created.

See also

Create curves from other objects

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