I think 3 layers of eggcrate would be plenty. Maybe even 2? Hard to say. When the light is on you should be able to make the call if you need more or not. Can you add a tiny little fan into the hood, even temporarily, to help with the heat? That might be something to watch out for as well.
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-- Tony
My next hobby will be flooding my basement while repeatedly banging my head against a brick wall and tearing up $100 bills. Whee!
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