This value below was set to 0.1, I changed to 0.001. The gap is gone in the preview.
just came off the printer. looks a lot better. small gap, but better.
Top layer with old coasting setting.
maybe just disable that option, it’s not something that is enabled on default
it’s set to 0.2 but it’s still the same
Make it zero or smaller. Then it wouldn’t print the supports on air. Give it a try and we can see what to do.
Looks good. What is the thickness of the wall? Hopefully it’s no too thick ( should ideally be 1mm max)
BTW, I think what you actually need is “Retraction extra prime amount:0.1”. Please make a print with that, if the gap reduces further then that would be awesome. Coasting is necessary to reduce stringing.
ow i think i just fixed it by making the x/y distance smaller, I think that fixes it because it’s such a small part and its on an angle
edit: yeah because if it’s on an angle and you go down more you get gloser to the “side” of the angle too so the x/y distance had to be smaller, i made it 0.2
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what printer do you have
Turned all the coasting settings back to default and made retraction extra prime amount = 5 and same issue as before.
Earlier when i had the coasting settings altered, the walls were all the same and around 1.03.
Gotcha then just go back to no coasting then. That seems to be working well for you. You could decrease flow just a tiny bit(say by 1 or 2%) but other than that you have a good set of settings now.
As for the top layers corners being round. I have no clue. Like I mentioned before, cura forums is your best bet to get answers.
what printer do you have
Just printed two cubes side by side to test the stringing. It’s bad. Need to play with the settings more.
Coasting helps with stringing. But since you can’t use it, up the retraction up to a max of 1.2mm
Can you share the file you’re trying to print and what kind of filament you’re using? I want to print it right now and see what happens.
Retraction is up to 6 mm now. No difference when it as was 4 mm. There is just a very faint stringing going on. Going to turn down the temp 5c to see if that helps, it does not help.
Not sure if you can see it, very faint.
Cool. I have some overture that’s exactly the same from my experience. I’ll see what happens.
I printed it finally. I’m a dickhead and rushed it and printed at 70mm/sec, 100mm infill, .12 layer height, 230 nozzle and 60 bed temp. This is what I got. Although I’m noticing you’re just printing walls. Which in my case would look better and not have taken 52 minutes to print. I literally know nothing about 3d printing yet though. So take it with a grain of salt.
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Wow, that looks really good. My CHEP cube was printed at 50 mm/s @ 0.2 layer height. I going to to try again with my new settings.
How many top layers did you do? and what infil percentage?
Thanks dude. I have 3 bottom layers 3 top I think. I’ll have to check later as I’m just heading out for a few. This print was 100% infill. But I’m pretty sure it would look just as good at 30-40%.
Oooh. This is what it should look like. So perfect 
I am gonna print th chep and let’s see what I get.
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