Understanding paneling grid of form to modify

Is there a possibility to define the paneling grid and panels in the attached file, so I can modify later on. I need to modify the panels from double curve to single curve, do I have to remodel or can I rebuild it?

Rhino model link: https://wetransfer.com/downloads/17adb9a7261af24fd35d9e3acbc2626220181004111706/9af10c3812c550bba40ef4a4ac5a61dc20181004111706/e3c021