That particular drawing was likely a near-finished concept piece with input from both P&D and Intamin.
The staff is full of extremely talented designers, architects and artists. And they spend a LOT of time drawing up potential additions to the midways (rides or not).
Although it is definitely true that they often tell manufacturers what they want, they don't leave that all up to them. They're usually armed with ideas, concepts and drawings.
TaER iT DoWN!11* TaEr iT aLL DoWn!
All of your posts have been so intriguing to me, so I wanted to tell you how much joy I have had reading all of your posts in this thread. Your depth and breadth of knowledge is intriguing, and your eloquence in communication is inspiring. Knowing some of you in person, I'm sure, would be energizing , and in some instances...a privilege.
Closed topic.