1. Download this file and open it in Rhinoceros 7®.
2. Run the command 'Bottom Flow'.
3. Set the options as intended.
4. Select the red curve as the 'Bottom Curve'.
5. Select the green object as the 'Side View Curve'.
Command options
VPoints: Number of point to rebuild the 'Side View Curve'.
Notes
- This command is available in scripting and interactive mode.
- For optimal results use Periodic NURBS curves (SubD friendly).