Todd, you've flagged one of the
'Masters.'
Steve has an amazing gallery with designs that are 'partially known' from a technique standpoint, but others are less apparent and very intriguing. I won't speculate on his design techniques, as this is for Steve to chat on, but I will say that while I have thoughts on the metal inlays/veneers, his precision within the blank to make the patterns uniform is just
magical. When Steve was active (before my IAP participation) there were many designs that were stunning, with less specific information given for others to emulate... I have no problem with the concept of "here it is, figure it out." This is fair game.
For me, I tend to favor sharing whatever I can on technique (most are commonly understood anyway

), but for others, they like to hold back and see what is discovered.
So, you have a challenge - how to make your own innovation... A scroll saw, very square blanks, and some very precise jigs will be your friend! Good luck hunting!