nx siemens

Good morning, I'm using siemens nx for design. However I have a problem and ask for advice to this community. I should make this object parametric, which I leave in the photo, to make you understand better. In particular, I would need that when the length of the strips (red) were increased, the...

hello to all, you would advise me which of these cads proposed in the title is the best for designing automatic assembly machines. without considering surface modeling, freestyle, spline etc., but instead considering mechanical design (lamiere, frames, pneumatic tubes and not, electric cables...