Nube Scrutator
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I am going with 2 plates that both heat and allow the concentrate to splash back and forth to each plate. the mouthpiece will not be where you load it. there will be a side pull out ceramic tray that when inserted into the atomizer wall will center directly between the two plates(same tech as the donut just a different shape).
How about a skillet plate on the bottom and a standard donut on the top. That way you could still load it from the mp. Just a thought...