That’s an excellent question. Perhaps someone on this thread can answer as I’ve not tried cardboard in the gf yet.
I just click one of these depending on the thickness of my cardboard, and I don’t change the settings at all.
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Have never even looked for cardboard setting; figured there wouldn’t be one offered since there’s no proof grade Thank you!
There wasn’t until very recently. Within the last few months.
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Doh! That totally rings a bell, now! I remember the cardboard vase (don’t water the flowers, I thought!)
Thanks for the reminder 