Parametric CAD means something more than just having parameters you can tweak. Like another comment said, having a constraint solver is key, and is much more co

Parametric CAD means something more than just having parameters you can tweak. Like another comment said, having a constraint solver is key, and is much more complicated. Being able to say "this line must be tangent to this arc" or "this part must be concentric / mirrored / slotted to that part" is central to parametric modeling, and is not the same thing as merely having variables