I've had requests to talk more about how I make markings so put this together. I plan to go step by step once I'm to the point of making markings for our F4D Skyray project.
Read the article here ►http://wp.me/p5LuFX-s1
NASA's Armstrong Flight Research Center engineers in Edwards, California, are working on an increasingly complex aircraft called the Preliminary Research Aerodynamic Design to Lower Drag, or Prandtl-D.
NASA has provided a report and files that contain geometry in an effort to allow others to build and analyze this aircraft design!