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Ya Boi Illinois
(@ya-boi-illinois)
New Member
Bumps on Walls of Prints

I am brand new to 3D printing and was hoping to get a little help with what can be causing these little bumps on the walls of my prints.

I'm still using the first roll of prusament that came with the printer, so it has only been open for a couple of days. I also just used the 0.15 quality presets on PrusaSlicer, I haven't changed any of the settings.

Thank you for you time and suggestions!

Posted : 08/03/2021 3:59 pm
Javacer
(@javacer)
Eminent Member
RE: Bumps on Walls of Prints

I think it's underextrusion on layer owerlap. Change the infill/owerlap to 20%. 

And for currectly printing need calibrate linear advance for filament. 

Posted : 08/03/2021 5:03 pm
Oxygen
(@oxygen)
Reputable Member
RE: Bumps on Walls of Prints

round object are notorious for gaps and bums (IMHO it is the seam) set the setting for the seam to aligned and reprint

Mini with FW:4.4.1 + SuperPINDA + Bondtech Heatbreak + PC4-M8 couplers + 1 piece boden

Posted : 08/03/2021 5:17 pm
Diem
 Diem
(@diem)
Illustrious Member
RE: Bumps on Walls of Prints
Posted by: @ya-boi-illinois

I am brand new to 3D printing and was hoping to get a little help with what can be causing these little bumps on the walls of my prints.

If it's important you can tune them out for any particular print with any particular filament.  In this case both @javacer and @oxygen have valid suggestions and following them may help.

But

The next print or the next filament will mean fine tuning all over again.

Unless that particular print is exceptionally important a light rub over with fine-grit wet and dry paper (used wet if you need to concentrate in one area,) will remove enough of it.  Think of it as a quick, final polish.

While you learn you way around I suggest you concentrate on getting good, consistent prints with minimal post-processing and leave perfection until you have some experience and a good feel for which tweaks have the effects you're looking for.

Cheerio,

Posted : 08/03/2021 7:19 pm
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