I've been using gyroid infil almost exclusively since I first tried it.
I was using cubic before, which was fine, but gyroid seems much sturdier for the same % infil even if it does take a bit more print time.
Also it looks awesome.
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You could also just use a lower infill percentage since it's stronger
There's a type of cubic that starts out lower and increases in density as it reaches the top to support the top layers. That's mainly the one I was thinking of. I can't remember the name of it though. And lightning is suuuper fast but provides basically no strength