It's not just 50% better resolution (or 33% better, depending on how you calculate), the layers are sticking to one another a lot better making a cleaner and stronger part.
These where still printed at the wrong 2.98 setting, I also printed one at 2.89, which has better fills but still shows gaps. I set it at 2.85 for the next try, but I haven't got around printing yet.
If I want tinner lines I need to reduce the W/T ratio? I find that setting a bit awkward, not sure what it represents, so I'm using the hint that W/T needs to be 0.4/layerheight, which is 2.0 in my case now.
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ddurant 0
0.20 is almost 50% better Z resolution than 0.28!
I think you've still got some fill issues - get those calipers! - but once you get that dialed in, try experimenting with smaller thread widths, too.
At the same extruder speed, the time difference between 2 copies of the same object is (mostly) the difference in the sum of non-extruding (aka: travel) moves. If you're printing an object that doesn't have many travel moves, you don't really save time by going to a thicker layer height. If you're printing an object that does have a lot of travel moves, you can save a lot of time by going low-res.
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