Duck Call by jamesarm97 - Inside overhang fix

Just an edit of jamesarm97's duck call he found on GrabCAD. My printer was having trouble printing the steep overhang for the inside piece. I edited it to be a 45 degree which should help people who are still calibrating their printer (me).
You still need to go to thingiverse.com/thing:38359 to download all necessary parts!