Two tree totem s laser need air assist?

i have the two trees totem s laser do i need a airassist???

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i do only engraving,then need air assist???

    • yes, at least to keep the lens free of fumes.
    • not necessarily if you e.g. engraves acrylic, but then point 1 comes anyway :wink:

But the airflow from a proper PC fan will be able to handle a lot.

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