VM-intervals Harmonic interval settings for Vitruvian Mod. By Brian Marshall|2015-02-13T21:05:41+00:00February 13th, 2015| Share This Story, Choose Your Platform! FacebookTwitterRedditLinkedInTumblrPinterestVkEmail About the Author: Brian Marshall I'm Brian, founder of Subdecay, effects designer, janitor and whatever needs to get done do-er.