Hello my name is Lom I have past experiences in Aerospace/Automotive, Manufacturing Engineer, Tool Design and Product design and Development.
I have over 8 years experience in Catia V5 i.e Part design, Assembly design, Drafting, Generative shape design, Free form surfaces, class A surfaces and sheet metal working design etc...
I am currently have Catia V5 Release17. In which case it should compatible to yours Release18 that you have.
Note the drop file link dont work. Please resend me a new link, so i can see the overall project.
Regards
Lom