Same patient- but on two articulators (or what I tell patients: “bite machines”).
I like have one set of models for me to work out my case- and one set of models for me to compare where we started out at. I won’t do my bigger or more challenging cases without all the proper prep work, and not without doing a thorough exam of the patient’s joints and airway.
When I take a seemingly difficult case and start to break it down using these steps- the treatment plan just falls into place.
And the great thing is that when I present to patients, they can see all the prep work that was done beforehand to have confidence that what I’m recommending is a really stable and sound solution to their chief concerns.
And oh! I’ve often found that I can make huge changes with minimal dentistry- it just requires a little thought!