I don't seem to get why this is called a "Rebuilt Business Model". Seems more like just offering the same service (design consulting) but calling it something new. With that said, I like the imagery on your site.

Having worked at a place that sold web design packages in the past, I'm fairly convinced that I'll only work for design/development clients that can afford to pay hourly. That being said, this could be a good way for them to pick up some narrowly scoped work from their existing client base. Assuming that customers understand the deal, it could work. In my experience, they'll want to make changes, and the best way to handle that situation is by the hour.

Productized consulting is probably a step up from regular old just selling your time and worth investigating for people doing consulting. If you can nail down what the product is and how to produce it in a fairly regular way, then you can hire someone to do it while you sell it, and grow the business.

This isn't a business model rebuild. It is hardly a business remodel. You changed your pricing, and a purchase model.

If you changed your business model you would be going from Hourly Design Consulting for pay, to something like Selling predesigned websites.

Or offering self service design.

AirBNB changed the "hotel" business model because it went from B2C to C2C.

Tesla changed the Car business model from Franchisee to Consumer to "Direct to consumer".

Several Design studios, and stock photo companies changed their business model from "Design once sell once" to "Design once sell many" but all you did was change your pricing model.