Improving Benchy Results

Some pics of benchy on my A350. I used Luban medium equivalent settings in Simplify3D.

In general, it looks okay and the dimensional accuracy is very good. There is a slight under extrusion on the top layer. It was originally under extruding by about 9mm. I recalibrated this, although perhaps it needs an extra tweak.

However, you can see on the cabin there is an issue with what looks like gaps between layers.
On the longer hull runs it looks fine. However, on these shorter runs, especially with hard corners there is an issue. Could it be retraction?

Still looks like under extrusion to me.

I also was about 10mm off on my extrusion. E-steps are now at 235.8 from the default 212.21 setting and my retraction is set to around 1.0mm which is down from the 5mm I saw in Luban. I am using PrusaSlicer with my A350 and will be happy when i can achieve a level bed.

Thanks, I’ll play with the extrusion and report back.

Before and After

Tweaked the extrusion
Also disable feature that reduced print speed for short runs, so the 2nd print was much faster.

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After calibration test benchy.

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What settings for print? Also do you have shots of bottom of benchy and the back for the fine details. I did print one after I felt it was dialled in. Will post later.

Need to check the settings. Currently not at home. Will update when I’m back.

Here is mine pretty much out of the box.
Luban sliced, stock Snapmaker PLA, fast mode defaults with 1mm retraction

And an eSUN ASA one, 235C ext, 80C bed, fast mode default