If you don't know what lightning infill is, it was made by Cura and was added to PrusaSclicer.
I chose to print with it since it showed up as a tool tip. Hoping has the same infill strength as Gyroid as it's suppose to use less filament (estimates is around 5 grams for this part). It was suppose to also save time, but it instead added 10 min.
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That was the sentiment I was getting too. I usually use 4 layers on the walls and top and bottom and most of my prints hold together really well.