If you have the book Incredible Cross-Sections of Star Wars you already know the amazing work of Hans Jenssen, a genius technical illustrator based in the United Kingdom. His work, done using classic drawing techniques and no computer aid whatsoever, is a pure joy to zoom in and explore.
His non-Star Wars work is equally great too, like this P-51 Mustang:
Or this Canadian Coast Guard ship:
Hans Jenssen is a classic technical illustrator with over 20 years experience based in the United Kingdom. His cutaway illustrations of all types of vehicles from all ages and of all types are simply stunning. You can buy some of these originals here.