I was about to start playing with PVA as a dissolvable support using Simplify3D's Dense support capability when I had a thought... Dissolvable support can be a major pain. The stuff soaks up the ambient moisture and goes out of tolerance SUPER fast which makes it very expensive. AND... The only use cases where dissolvable support is really needed are where the material cannot be removed because it's within the object structure. But... What if one uses two materials which do not bond? Like say PETG and PLA???