Hi Dave, it's kind of difficult to say because there are a lot of variables involved.

A lot can depend on what type of model you want to construct.

In general skills improve over time and experience.

One thing that is an important step is being able to extract simple forms.

Like for example with this object:




Instead of trying to construct that by drawing in all the edge curves and then filling in the faces, it's instead better with MOI's toolset to build it out of 2D profile curves, something like this:









- Michael