How to create a bottle bottom on catia v5 like a coke bottel
I believe you are talking about the detail on the bottom of a coke bottle? Not exact, but gives a representation.
Create cylinder (or if creating real 'coke bottle' do sketch then revolve).
Create sketch of detail.
Sweep using 'Centre and radius', fill end and add a radius.
Circular pattern the sweep.
Add rads to edges and add a depression in the centre.