I just posted my first device to maxforlive.com
Its funny that I make things all the time, but the first one i share was for a guy at the ableton forums....ANYWAY.
Its an envelope tool that triggers a parameter envelope manually via a midi mappable (and automatable) button, or on any incoming midi notes. Could be cool to use with operator for some really crazy FM stuff.
Check it out
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I am considering further development for greater flexibility, if there's interest. Midi filtering, CC output, velocity tracking etc.