neoweiter

Wow I even found THE best explanation of that phenomenon, called Pitting :

Well, I guess I solved my issue by using Creality Slicer. Seems like their default settings works best for my printer. Not sure what did the gaps disappear, but I noticed the retraction distance is 0.8mm with Creality, instead of 2-3mm with Cura. There must be something else, because I tested with 0.5mm and no retraction at all, and I still had gaps. Hope this could help 🙂 Thanks everyone

Thank you so much for your time and commitment, I really appreciate it. I printed a new cube in lower left corner of my plate (default settings). Holes and blobs. I also printed a benchy earlier (centered on my plate, default settings). Still horrible. I already checked my nozzle, it seem to be really clean. But maybe it has worn out. I will swap it with a new one and see the result. I will also test your suggestions 👍

I printed a calibration cube. Two holes It's on the opposite face of Y, and the lower hole matches the height of the blob you can see on the edge of Y. Pretty sure it's related. But at analyzing that layer in Cura, I can't really understand why this happens. Any idea ? Nothing happens on that straight line, except it's near an infill line EDIT : Fyi, I printed a couple more cubes. The blob on Y corner seem consistant, but not the holes. They appear randomly on each print, and I had one print that came out perfectly without any hole.

I have some interesting results with other prints I just made: I printed some parts, with another filament (Black PLA+), with pretty standard slicing settings, and there again, I notice holes. Then, I decided to print a super basic calibration cylinder (no top, no infill, even at 200% print speed), and this one came out FLAWLESS all the way around🤔 I really don't understand. I tried again with my silk filament, with 10% gyriod infill... and came out perfect too 🫠 I'll make some further tests, but this is really driving me crazy

Thanks mate, i'll try this But no, I don't have coasting enabled :)

not yet. I'll make some new tests soon

Retraction is set to default : 3mm speed : 40mm/s I also tried retract less and more quickly : 1.5mm speed : 45mm/s Same random holes issue

I manly use PLA+. I have a rather dry environement, and I avoid leaving the window open, especially when it's raining. I don't think I have big moisture issue with my filaments, but sometimes I can hear some bubbles popping when printing. Not sure if this affects my prints though, and I don't think this is the issue of my post above. I also try to store my spools in sealed bags as much as possible

(Sorry if i'm in the wrong place) Thanks for your reply ! This might be filament related, but I already printed some models with that filament before, without any issue. Strange I can try to increase the flow, but I fear that this will alter the model dimensions, as multiple parts must join together

Hello, everyone! I'm struggling with a persistent issue that's affecting the quality of my prints. I'm encountering a lot of random tiny holes and gaps on the walls and Z-seam, and it almost appears smeared. I've tried various combinations of settings, including retraction, infill, temperature, speed, combing, and Z-seam. I believe I've tried them all, and nothing has resolved my issue. Even the default Standard profile in Cura exhibits the same problem. To get it out of the way, I don't think it's a moisture issue. I've placed my spool in the oven, and I've even purchased a new one, but the problem persists. Does anyone have an idea of what might be causing this and how to fix it? 🥹 Ender 3 S1 Pro Cura 5.4 (but also tried with Prusa Slicer) E-Sun PLA Silver silk