"To model the change" means to demonstrate or display the desired modifications or improvements. It involves creating an example of how things should be or how they could be different in order to inspire or guide others. Full definition
In fact, this is probably the most ambitious minor model change in company history. (digitaltrends.com)
Will business models change as firms move from buying technology solutions to partnering with technology start - ups to develop their own solutions? (practicallawconferences.com)
They can encompass anything from pattern, texture, and color variants to full model changes. (atlasreactorgame.com)