Specular Highlights from Substance to Maya/Arnold Posted by: Seth Meshko You have to create a specular level channel in your shader. Then output should be a greyscale from specular level from greyscale. Share 13 JUL 2020 0 About the Author: I RUN this joint! And I am a digital artist. BFA from the University of Colorado with an emphasis in 3D Animation. I worked in medical animation for some time. I then narrowly escaped with an only partially crushed spirit. Since then I have been expanding my skill set, reaching out into custom coding, game and app development. Share on Twitter Share on Facebook Share on Google Related PostsNo related posts found.