Tutorial: Car design in Catia V5-Part3

Making the front hood.

Answered with a tutorial: https://grabcad.com/tutorials/tutorial-car-design-in-catia-v5-part3

very nice ... would u go through details....for example where do the pink lines come from... thanks

can u make a video tutorial with detail...????

3d curves in free style

Please, could you go through the details fromm step one to two, the 3d curves modelling? I d be very grateful

Can someone please tell the details about these 3d curves ... how he made them using the views ??