Having a dedicated CAD person handling the 3d tool for the designer isn't unusual. Efficiently manipulating complex CAD tools is a full time job in itself.
I worked as a mechanical design engineer in aerospace and we always had technicians working basically full time on the digital mock-up, modelling designs produced and explained on paper, or commonly in paint.exe or Powerpoint even...
I worked as a mechanical design engineer in aerospace and we always had technicians working basically full time on the digital mock-up, modelling designs produced and explained on paper, or commonly in paint.exe or Powerpoint even...