Tron Solar Sailer Concept Sketch by Moebius

Groundbreaking movie to adapt this design in computer aided and traditional back lit animation.  The worldbuilding by Moebius took center stage and made it known to the general audiences what a visionary he was. 

Thanks again for the insightful comment!

There's a Tron documentary that came out quite awhile back (sounds like you're familiar with this one already).

Here's the section discussing Mead and Moebius' contributions.

Tron director discusses hiring Syd Mead and Moebius.

Now to track down a copy of Moebius' Dune design work and storyboards...