I have Simplify 3D and I used the Dual filament wizard (Tools/Dual Filament Wizared) to get started printing after adding the dual filament extruder. It works pretty well, and you can then tweak the pocesses it generates for you. (Edit process).
there is no black ring at the bottom of the Y attachment. There is a metal screw with a bolt that kind of looks like the one on the top of the hot end. I don’t see how to install the 100mm tube in it securely. It just slides out.
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