Hi friends i saw Audi r8 in a poster and was amazed by its design.I looked into sidepanels in that road car ne?

I looked into the AudiR8 road car in a magazine and i liked its aerodynamic shapes which are very complex in shape .I had a thought that how are this bonnet,Sidepanels in that car,Rear bumpers etc are made which are not just a flat plate ,it has many curves,slopes etc,,.How are they designing that complex shapes?Hi friends i saw Audi r8 in a poster and was amazed by its design.I looked into sidepanels in that road car ne?it is made by alluminium and alloy (mixture) its is basically made up of alluminium sgeets and then it is moulded to desired shapes